2983420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 6967296

約数和(自身を除く): 3983876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 191, 220, 284, 355, 382, 710, 764, 781, 955, 1420, 1562, 1910, 2101, 3124, 3820, 3905, 4202, 7810, 8404, 10505, 13561, 15620, 21010, 27122, 42020, 54244, 67805, 135610, 149171, 271220, 298342, 596684, 745855, 1491710, 2983420]

約数ペア:

[(1, 2983420), (2, 1491710), (4, 745855), (5, 596684), (10, 298342), (11, 271220), (20, 149171), (22, 135610), (44, 67805), (55, 54244), (71, 42020), (110, 27122), (142, 21010), (191, 15620), (220, 13561), (284, 10505), (355, 8404), (382, 7810), (710, 4202), (764, 3905), (781, 3820), (955, 3124), (1420, 2101), (1562, 1910)]