90702280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 212313600

約数和(自身を除く): 121611320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 193, 248, 310, 379, 386, 620, 758, 772, 965, 1240, 1516, 1544, 1895, 1930, 3032, 3790, 3860, 5983, 7580, 7720, 11749, 11966, 15160, 23498, 23932, 29915, 46996, 47864, 58745, 59830, 73147, 93992, 117490, 119660, 146294, 234980, 239320, 292588, 365735, 469960, 585176, 731470, 1462940, 2267557, 2925880, 4535114, 9070228, 11337785, 18140456, 22675570, 45351140, 90702280]

約数ペア:

[(1, 90702280), (2, 45351140), (4, 22675570), (5, 18140456), (8, 11337785), (10, 9070228), (20, 4535114), (31, 2925880), (40, 2267557), (62, 1462940), (124, 731470), (155, 585176), (193, 469960), (248, 365735), (310, 292588), (379, 239320), (386, 234980), (620, 146294), (758, 119660), (772, 117490), (965, 93992), (1240, 73147), (1516, 59830), (1544, 58745), (1895, 47864), (1930, 46996), (3032, 29915), (3790, 23932), (3860, 23498), (5983, 15160), (7580, 11966), (7720, 11749)]