90886180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{8431}}^1$

素因数の和:8465

約数の個数: 72

約数和(自身を含む): 242234496

約数和(自身を除く): 151348316

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 8431, 10780, 16862, 33724, 42155, 59017, 84310, 92741, 118034, 168620, 185482, 236068, 295085, 370964, 413119, 463705, 590170, 649187, 826238, 927410, 1180340, 1298374, 1652476, 1854820, 2065595, 2596748, 3245935, 4131190, 4544309, 6491870, 8262380, 9088618, 12983740, 18177236, 22721545, 45443090, 90886180]

約数ペア:

[(1, 90886180), (2, 45443090), (4, 22721545), (5, 18177236), (7, 12983740), (10, 9088618), (11, 8262380), (14, 6491870), (20, 4544309), (22, 4131190), (28, 3245935), (35, 2596748), (44, 2065595), (49, 1854820), (55, 1652476), (70, 1298374), (77, 1180340), (98, 927410), (110, 826238), (140, 649187), (154, 590170), (196, 463705), (220, 413119), (245, 370964), (308, 295085), (385, 236068), (490, 185482), (539, 168620), (770, 118034), (980, 92741), (1078, 84310), (1540, 59017), (2156, 42155), (2695, 33724), (5390, 16862), (8431, 10780)]