90908910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 248957280

約数和(自身を除く): 158048370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 61, 87, 90, 122, 145, 174, 183, 261, 290, 305, 366, 435, 522, 549, 571, 610, 870, 915, 1098, 1142, 1305, 1713, 1769, 1830, 2610, 2745, 2855, 3426, 3538, 5139, 5307, 5490, 5710, 8565, 8845, 10278, 10614, 15921, 16559, 17130, 17690, 25695, 26535, 31842, 33118, 34831, 49677, 51390, 53070, 69662, 79605, 82795, 99354, 104493, 149031, 159210, 165590, 174155, 208986, 248385, 298062, 313479, 348310, 496770, 522465, 626958, 745155, 1010099, 1044930, 1490310, 1567395, 2020198, 3030297, 3134790, 5050495, 6060594, 9090891, 10100990, 15151485, 18181782, 30302970, 45454455, 90908910]

約数ペア:

[(1, 90908910), (2, 45454455), (3, 30302970), (5, 18181782), (6, 15151485), (9, 10100990), (10, 9090891), (15, 6060594), (18, 5050495), (29, 3134790), (30, 3030297), (45, 2020198), (58, 1567395), (61, 1490310), (87, 1044930), (90, 1010099), (122, 745155), (145, 626958), (174, 522465), (183, 496770), (261, 348310), (290, 313479), (305, 298062), (366, 248385), (435, 208986), (522, 174155), (549, 165590), (571, 159210), (610, 149031), (870, 104493), (915, 99354), (1098, 82795), (1142, 79605), (1305, 69662), (1713, 53070), (1769, 51390), (1830, 49677), (2610, 34831), (2745, 33118), (2855, 31842), (3426, 26535), (3538, 25695), (5139, 17690), (5307, 17130), (5490, 16559), (5710, 15921), (8565, 10614), (8845, 10278)]