8920450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1$

素因数の和:368

約数の個数: 72

約数和(自身を含む): 21119184

約数和(自身を除く): 12198734

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 154, 175, 245, 275, 331, 350, 385, 490, 539, 550, 662, 770, 1078, 1225, 1655, 1925, 2317, 2450, 2695, 3310, 3641, 3850, 4634, 5390, 7282, 8275, 11585, 13475, 16219, 16550, 18205, 23170, 25487, 26950, 32438, 36410, 50974, 57925, 81095, 91025, 115850, 127435, 162190, 178409, 182050, 254870, 356818, 405475, 637175, 810950, 892045, 1274350, 1784090, 4460225, 8920450]

約数ペア:

[(1, 8920450), (2, 4460225), (5, 1784090), (7, 1274350), (10, 892045), (11, 810950), (14, 637175), (22, 405475), (25, 356818), (35, 254870), (49, 182050), (50, 178409), (55, 162190), (70, 127435), (77, 115850), (98, 91025), (110, 81095), (154, 57925), (175, 50974), (245, 36410), (275, 32438), (331, 26950), (350, 25487), (385, 23170), (490, 18205), (539, 16550), (550, 16219), (662, 13475), (770, 11585), (1078, 8275), (1225, 7282), (1655, 5390), (1925, 4634), (2317, 3850), (2450, 3641), (2695, 3310)]