42039100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 95993856

約数和(自身を除く): 53954756

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 191, 284, 310, 355, 382, 620, 710, 764, 775, 955, 1420, 1550, 1775, 1910, 2201, 3100, 3550, 3820, 4402, 4775, 5921, 7100, 8804, 9550, 11005, 11842, 13561, 19100, 22010, 23684, 27122, 29605, 44020, 54244, 55025, 59210, 67805, 110050, 118420, 135610, 148025, 220100, 271220, 296050, 339025, 420391, 592100, 678050, 840782, 1356100, 1681564, 2101955, 4203910, 8407820, 10509775, 21019550, 42039100]

約数ペア:

[(1, 42039100), (2, 21019550), (4, 10509775), (5, 8407820), (10, 4203910), (20, 2101955), (25, 1681564), (31, 1356100), (50, 840782), (62, 678050), (71, 592100), (100, 420391), (124, 339025), (142, 296050), (155, 271220), (191, 220100), (284, 148025), (310, 135610), (355, 118420), (382, 110050), (620, 67805), (710, 59210), (764, 55025), (775, 54244), (955, 44020), (1420, 29605), (1550, 27122), (1775, 23684), (1910, 22010), (2201, 19100), (3100, 13561), (3550, 11842), (3820, 11005), (4402, 9550), (4775, 8804), (5921, 7100)]