208866420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 288

約数和(自身を含む): 786240000

約数和(自身を除く): 577373580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 199, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 343, 357, 398, 420, 441, 476, 490, 510, 588, 595, 597, 612, 630, 686, 714, 735, 765, 796, 833, 882, 980, 995, 1020, 1029, 1071, 1190, 1194, 1260, 1372, 1393, 1428, 1470, 1530, 1666, 1715, 1764, 1785, 1791, 1990, 2058, 2142, 2205, 2380, 2388, 2499, 2786, 2940, 2985, 3060, 3087, 3332, 3383, 3430, 3570, 3582, 3980, 4116, 4165, 4179, 4284, 4410, 4998, 5145, 5355, 5572, 5831, 5970, 6174, 6766, 6860, 6965, 7140, 7164, 7497, 8330, 8358, 8820, 8955, 9751, 9996, 10149, 10290, 10710, 11662, 11940, 12348, 12495, 12537, 13532, 13930, 14994, 15435, 16660, 16716, 16915, 17493, 17910, 19502, 20298, 20580, 20895, 21420, 23324, 23681, 24990, 25074, 27860, 29155, 29253, 29988, 30447, 30870, 33830, 34986, 35820, 37485, 39004, 40596, 41790, 47362, 48755, 49980, 50148, 50745, 52479, 58310, 58506, 60894, 61740, 62685, 67660, 68257, 69972, 71043, 74970, 83580, 87465, 87759, 94724, 97510, 101490, 104958, 116620, 117012, 118405, 121788, 125370, 136514, 142086, 146265, 149940, 152235, 165767, 174930, 175518, 195020, 202980, 204771, 209916, 213129, 236810, 250740, 262395, 273028, 284172, 292530, 304470, 331534, 341285, 349860, 351036, 355215, 409542, 426258, 438795, 473620, 497301, 524790, 585060, 608940, 614313, 663068, 682570, 710430, 819084, 828835, 852516, 877590, 994602, 1023855, 1049580, 1065645, 1160369, 1228626, 1365140, 1420860, 1491903, 1657670, 1755180, 1989204, 2047710, 2131290, 2320738, 2457252, 2486505, 2983806, 3071565, 3315340, 3481107, 4095420, 4262580, 4641476, 4973010, 5801845, 5967612, 6143130, 6962214, 7459515, 9946020, 10443321, 11603690, 12286260, 13924428, 14919030, 17405535, 20886642, 23207380, 29838060, 34811070, 41773284, 52216605, 69622140, 104433210, 208866420]

約数ペア:

[(1, 208866420), (2, 104433210), (3, 69622140), (4, 52216605), (5, 41773284), (6, 34811070), (7, 29838060), (9, 23207380), (10, 20886642), (12, 17405535), (14, 14919030), (15, 13924428), (17, 12286260), (18, 11603690), (20, 10443321), (21, 9946020), (28, 7459515), (30, 6962214), (34, 6143130), (35, 5967612), (36, 5801845), (42, 4973010), (45, 4641476), (49, 4262580), (51, 4095420), (60, 3481107), (63, 3315340), (68, 3071565), (70, 2983806), (84, 2486505), (85, 2457252), (90, 2320738), (98, 2131290), (102, 2047710), (105, 1989204), (119, 1755180), (126, 1657670), (140, 1491903), (147, 1420860), (153, 1365140), (170, 1228626), (180, 1160369), (196, 1065645), (199, 1049580), (204, 1023855), (210, 994602), (238, 877590), (245, 852516), (252, 828835), (255, 819084), (294, 710430), (306, 682570), (315, 663068), (340, 614313), (343, 608940), (357, 585060), (398, 524790), (420, 497301), (441, 473620), (476, 438795), (490, 426258), (510, 409542), (588, 355215), (595, 351036), (597, 349860), (612, 341285), (630, 331534), (686, 304470), (714, 292530), (735, 284172), (765, 273028), (796, 262395), (833, 250740), (882, 236810), (980, 213129), (995, 209916), (1020, 204771), (1029, 202980), (1071, 195020), (1190, 175518), (1194, 174930), (1260, 165767), (1372, 152235), (1393, 149940), (1428, 146265), (1470, 142086), (1530, 136514), (1666, 125370), (1715, 121788), (1764, 118405), (1785, 117012), (1791, 116620), (1990, 104958), (2058, 101490), (2142, 97510), (2205, 94724), (2380, 87759), (2388, 87465), (2499, 83580), (2786, 74970), (2940, 71043), (2985, 69972), (3060, 68257), (3087, 67660), (3332, 62685), (3383, 61740), (3430, 60894), (3570, 58506), (3582, 58310), (3980, 52479), (4116, 50745), (4165, 50148), (4179, 49980), (4284, 48755), (4410, 47362), (4998, 41790), (5145, 40596), (5355, 39004), (5572, 37485), (5831, 35820), (5970, 34986), (6174, 33830), (6766, 30870), (6860, 30447), (6965, 29988), (7140, 29253), (7164, 29155), (7497, 27860), (8330, 25074), (8358, 24990), (8820, 23681), (8955, 23324), (9751, 21420), (9996, 20895), (10149, 20580), (10290, 20298), (10710, 19502), (11662, 17910), (11940, 17493), (12348, 16915), (12495, 16716), (12537, 16660), (13532, 15435), (13930, 14994)]