64918700

素因数分解:

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

素因数の和:8463

約数の個数: 72

約数和(自身を含む): 175655424

約数和(自身を除く): 110736724

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 8431, 16862, 33724, 42155, 59017, 84310, 92741, 118034, 168620, 185482, 210775, 236068, 295085, 370964, 421550, 463705, 590170, 649187, 843100, 927410, 1180340, 1298374, 1475425, 1854820, 2318525, 2596748, 2950850, 3245935, 4637050, 5901700, 6491870, 9274100, 12983740, 16229675, 32459350, 64918700]

約数ペア:

[(1, 64918700), (2, 32459350), (4, 16229675), (5, 12983740), (7, 9274100), (10, 6491870), (11, 5901700), (14, 4637050), (20, 3245935), (22, 2950850), (25, 2596748), (28, 2318525), (35, 1854820), (44, 1475425), (50, 1298374), (55, 1180340), (70, 927410), (77, 843100), (100, 649187), (110, 590170), (140, 463705), (154, 421550), (175, 370964), (220, 295085), (275, 236068), (308, 210775), (350, 185482), (385, 168620), (550, 118034), (700, 92741), (770, 84310), (1100, 59017), (1540, 42155), (1925, 33724), (3850, 16862), (7700, 8431)]