2812100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:536

約数の個数: 36

約数和(自身を含む): 6215748

約数和(自身を除く): 3403648

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 461, 610, 922, 1220, 1525, 1844, 2305, 3050, 4610, 6100, 9220, 11525, 23050, 28121, 46100, 56242, 112484, 140605, 281210, 562420, 703025, 1406050, 2812100]

約数ペア:

[(1, 2812100), (2, 1406050), (4, 703025), (5, 562420), (10, 281210), (20, 140605), (25, 112484), (50, 56242), (61, 46100), (100, 28121), (122, 23050), (244, 11525), (305, 9220), (461, 6100), (610, 4610), (922, 3050), (1220, 2305), (1525, 1844)]