209658840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4357}}^1$

素因数の和:4772

約数の個数: 64

約数和(自身を含む): 630689760

約数和(自身を除く): 421030920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 401, 802, 1203, 1604, 2005, 2406, 3208, 4010, 4357, 4812, 6015, 8020, 8714, 9624, 12030, 13071, 16040, 17428, 21785, 24060, 26142, 34856, 43570, 48120, 52284, 65355, 87140, 104568, 130710, 174280, 261420, 522840, 1747157, 3494314, 5241471, 6988628, 8735785, 10482942, 13977256, 17471570, 20965884, 26207355, 34943140, 41931768, 52414710, 69886280, 104829420, 209658840]

約数ペア:

[(1, 209658840), (2, 104829420), (3, 69886280), (4, 52414710), (5, 41931768), (6, 34943140), (8, 26207355), (10, 20965884), (12, 17471570), (15, 13977256), (20, 10482942), (24, 8735785), (30, 6988628), (40, 5241471), (60, 3494314), (120, 1747157), (401, 522840), (802, 261420), (1203, 174280), (1604, 130710), (2005, 104568), (2406, 87140), (3208, 65355), (4010, 52284), (4357, 48120), (4812, 43570), (6015, 34856), (8020, 26142), (8714, 24060), (9624, 21785), (12030, 17428), (13071, 16040)]