2817100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 7218288

約数和(自身を除く): 4401188

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 197, 220, 260, 275, 286, 325, 394, 550, 572, 650, 715, 788, 985, 1100, 1300, 1430, 1970, 2167, 2561, 2860, 3575, 3940, 4334, 4925, 5122, 7150, 8668, 9850, 10244, 10835, 12805, 14300, 19700, 21670, 25610, 28171, 43340, 51220, 54175, 56342, 64025, 108350, 112684, 128050, 140855, 216700, 256100, 281710, 563420, 704275, 1408550, 2817100]

約数ペア:

[(1, 2817100), (2, 1408550), (4, 704275), (5, 563420), (10, 281710), (11, 256100), (13, 216700), (20, 140855), (22, 128050), (25, 112684), (26, 108350), (44, 64025), (50, 56342), (52, 54175), (55, 51220), (65, 43340), (100, 28171), (110, 25610), (130, 21670), (143, 19700), (197, 14300), (220, 12805), (260, 10835), (275, 10244), (286, 9850), (325, 8668), (394, 7150), (550, 5122), (572, 4925), (650, 4334), (715, 3940), (788, 3575), (985, 2860), (1100, 2561), (1300, 2167), (1430, 1970)]