28903140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:171

約数の個数: 216

約数和(自身を含む): 106437240

約数和(自身を除く): 77534100

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, 113, 116, 126, 140, 145, 147, 174, 180, 196, 203, 210, 226, 245, 252, 261, 290, 294, 315, 339, 348, 406, 420, 435, 441, 452, 490, 522, 565, 580, 588, 609, 630, 678, 735, 791, 812, 870, 882, 980, 1015, 1017, 1044, 1130, 1218, 1260, 1305, 1356, 1421, 1470, 1582, 1695, 1740, 1764, 1827, 2030, 2034, 2205, 2260, 2373, 2436, 2610, 2842, 2940, 3045, 3164, 3277, 3390, 3654, 3955, 4060, 4068, 4263, 4410, 4746, 5085, 5220, 5537, 5684, 6090, 6554, 6780, 7105, 7119, 7308, 7910, 8526, 8820, 9135, 9492, 9831, 10170, 11074, 11865, 12180, 12789, 13108, 14210, 14238, 15820, 16385, 16611, 17052, 18270, 19662, 20340, 21315, 22148, 22939, 23730, 25578, 27685, 28420, 28476, 29493, 32770, 33222, 35595, 36540, 39324, 42630, 45878, 47460, 49155, 49833, 51156, 55370, 58986, 63945, 65540, 66444, 68817, 71190, 83055, 85260, 91756, 98310, 99666, 110740, 114695, 117972, 127890, 137634, 142380, 147465, 160573, 166110, 196620, 199332, 206451, 229390, 249165, 255780, 275268, 294930, 321146, 332220, 344085, 412902, 458780, 481719, 498330, 589860, 642292, 688170, 802865, 825804, 963438, 996660, 1032255, 1376340, 1445157, 1605730, 1926876, 2064510, 2408595, 2890314, 3211460, 4129020, 4817190, 5780628, 7225785, 9634380, 14451570, 28903140]

約数ペア:

[(1, 28903140), (2, 14451570), (3, 9634380), (4, 7225785), (5, 5780628), (6, 4817190), (7, 4129020), (9, 3211460), (10, 2890314), (12, 2408595), (14, 2064510), (15, 1926876), (18, 1605730), (20, 1445157), (21, 1376340), (28, 1032255), (29, 996660), (30, 963438), (35, 825804), (36, 802865), (42, 688170), (45, 642292), (49, 589860), (58, 498330), (60, 481719), (63, 458780), (70, 412902), (84, 344085), (87, 332220), (90, 321146), (98, 294930), (105, 275268), (113, 255780), (116, 249165), (126, 229390), (140, 206451), (145, 199332), (147, 196620), (174, 166110), (180, 160573), (196, 147465), (203, 142380), (210, 137634), (226, 127890), (245, 117972), (252, 114695), (261, 110740), (290, 99666), (294, 98310), (315, 91756), (339, 85260), (348, 83055), (406, 71190), (420, 68817), (435, 66444), (441, 65540), (452, 63945), (490, 58986), (522, 55370), (565, 51156), (580, 49833), (588, 49155), (609, 47460), (630, 45878), (678, 42630), (735, 39324), (791, 36540), (812, 35595), (870, 33222), (882, 32770), (980, 29493), (1015, 28476), (1017, 28420), (1044, 27685), (1130, 25578), (1218, 23730), (1260, 22939), (1305, 22148), (1356, 21315), (1421, 20340), (1470, 19662), (1582, 18270), (1695, 17052), (1740, 16611), (1764, 16385), (1827, 15820), (2030, 14238), (2034, 14210), (2205, 13108), (2260, 12789), (2373, 12180), (2436, 11865), (2610, 11074), (2842, 10170), (2940, 9831), (3045, 9492), (3164, 9135), (3277, 8820), (3390, 8526), (3654, 7910), (3955, 7308), (4060, 7119), (4068, 7105), (4263, 6780), (4410, 6554), (4746, 6090), (5085, 5684), (5220, 5537)]