248873940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 288

約数和(自身を含む): 917280000

約数和(自身を除く): 668406060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 49, 58, 60, 63, 70, 84, 87, 90, 98, 105, 116, 126, 139, 140, 145, 147, 174, 180, 196, 203, 210, 245, 252, 261, 278, 290, 294, 315, 343, 348, 406, 417, 420, 435, 441, 490, 522, 556, 580, 588, 609, 630, 686, 695, 735, 812, 834, 870, 882, 973, 980, 1015, 1029, 1044, 1218, 1251, 1260, 1305, 1372, 1390, 1421, 1470, 1668, 1715, 1740, 1764, 1827, 1946, 2030, 2058, 2085, 2205, 2436, 2502, 2610, 2780, 2842, 2919, 2940, 3045, 3087, 3430, 3654, 3892, 4031, 4060, 4116, 4170, 4263, 4410, 4865, 5004, 5145, 5220, 5684, 5838, 6090, 6174, 6255, 6811, 6860, 7105, 7308, 8062, 8340, 8526, 8757, 8820, 9135, 9730, 9947, 10290, 11676, 12093, 12180, 12348, 12510, 12789, 13622, 14210, 14595, 15435, 16124, 17052, 17514, 18270, 19460, 19894, 20155, 20433, 20580, 21315, 24186, 25020, 25578, 27244, 28217, 28420, 29190, 29841, 30870, 34055, 35028, 36279, 36540, 39788, 40310, 40866, 42630, 43785, 47677, 48372, 49735, 51156, 56434, 58380, 59682, 60465, 61299, 61740, 63945, 68110, 72558, 80620, 81732, 84651, 85260, 87570, 89523, 95354, 99470, 102165, 112868, 119364, 120930, 122598, 127890, 136220, 141085, 143031, 145116, 149205, 169302, 175140, 179046, 181395, 190708, 197519, 198940, 204330, 238385, 241860, 245196, 253953, 255780, 282170, 286062, 298410, 306495, 338604, 358092, 362790, 395038, 408660, 423255, 429093, 447615, 476770, 507906, 564340, 572124, 592557, 596820, 612990, 715155, 725580, 790076, 846510, 858186, 895230, 953540, 987595, 1015812, 1185114, 1225980, 1269765, 1382633, 1430310, 1693020, 1716372, 1777671, 1790460, 1975190, 2145465, 2370228, 2539530, 2765266, 2860620, 2962785, 3555342, 3950380, 4147899, 4290930, 5079060, 5530532, 5925570, 6913165, 7110684, 8295798, 8581860, 8888355, 11851140, 12443697, 13826330, 16591596, 17776710, 20739495, 24887394, 27652660, 35553420, 41478990, 49774788, 62218485, 82957980, 124436970, 248873940]

約数ペア:

[(1, 248873940), (2, 124436970), (3, 82957980), (4, 62218485), (5, 49774788), (6, 41478990), (7, 35553420), (9, 27652660), (10, 24887394), (12, 20739495), (14, 17776710), (15, 16591596), (18, 13826330), (20, 12443697), (21, 11851140), (28, 8888355), (29, 8581860), (30, 8295798), (35, 7110684), (36, 6913165), (42, 5925570), (45, 5530532), (49, 5079060), (58, 4290930), (60, 4147899), (63, 3950380), (70, 3555342), (84, 2962785), (87, 2860620), (90, 2765266), (98, 2539530), (105, 2370228), (116, 2145465), (126, 1975190), (139, 1790460), (140, 1777671), (145, 1716372), (147, 1693020), (174, 1430310), (180, 1382633), (196, 1269765), (203, 1225980), (210, 1185114), (245, 1015812), (252, 987595), (261, 953540), (278, 895230), (290, 858186), (294, 846510), (315, 790076), (343, 725580), (348, 715155), (406, 612990), (417, 596820), (420, 592557), (435, 572124), (441, 564340), (490, 507906), (522, 476770), (556, 447615), (580, 429093), (588, 423255), (609, 408660), (630, 395038), (686, 362790), (695, 358092), (735, 338604), (812, 306495), (834, 298410), (870, 286062), (882, 282170), (973, 255780), (980, 253953), (1015, 245196), (1029, 241860), (1044, 238385), (1218, 204330), (1251, 198940), (1260, 197519), (1305, 190708), (1372, 181395), (1390, 179046), (1421, 175140), (1470, 169302), (1668, 149205), (1715, 145116), (1740, 143031), (1764, 141085), (1827, 136220), (1946, 127890), (2030, 122598), (2058, 120930), (2085, 119364), (2205, 112868), (2436, 102165), (2502, 99470), (2610, 95354), (2780, 89523), (2842, 87570), (2919, 85260), (2940, 84651), (3045, 81732), (3087, 80620), (3430, 72558), (3654, 68110), (3892, 63945), (4031, 61740), (4060, 61299), (4116, 60465), (4170, 59682), (4263, 58380), (4410, 56434), (4865, 51156), (5004, 49735), (5145, 48372), (5220, 47677), (5684, 43785), (5838, 42630), (6090, 40866), (6174, 40310), (6255, 39788), (6811, 36540), (6860, 36279), (7105, 35028), (7308, 34055), (8062, 30870), (8340, 29841), (8526, 29190), (8757, 28420), (8820, 28217), (9135, 27244), (9730, 25578), (9947, 25020), (10290, 24186), (11676, 21315), (12093, 20580), (12180, 20433), (12348, 20155), (12510, 19894), (12789, 19460), (13622, 18270), (14210, 17514), (14595, 17052), (15435, 16124)]