890403990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{86531}}^1$

素因数の和:86562

約数の個数: 64

約数和(自身を含む): 2492121600

約数和(自身を除く): 1601717610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 10290, 86531, 173062, 259593, 432655, 519186, 605717, 865310, 1211434, 1297965, 1817151, 2595930, 3028585, 3634302, 4240019, 6057170, 8480038, 9085755, 12720057, 18171510, 21200095, 25440114, 29680133, 42400190, 59360266, 63600285, 89040399, 127200570, 148400665, 178080798, 296801330, 445201995, 890403990]

約数ペア:

[(1, 890403990), (2, 445201995), (3, 296801330), (5, 178080798), (6, 148400665), (7, 127200570), (10, 89040399), (14, 63600285), (15, 59360266), (21, 42400190), (30, 29680133), (35, 25440114), (42, 21200095), (49, 18171510), (70, 12720057), (98, 9085755), (105, 8480038), (147, 6057170), (210, 4240019), (245, 3634302), (294, 3028585), (343, 2595930), (490, 1817151), (686, 1297965), (735, 1211434), (1029, 865310), (1470, 605717), (1715, 519186), (2058, 432655), (3430, 259593), (5145, 173062), (10290, 86531)]