71727700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 171176544

約数和(自身を除く): 99448844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 197, 220, 275, 331, 394, 550, 662, 788, 985, 1100, 1324, 1655, 1970, 2167, 3310, 3641, 3940, 4334, 4925, 6620, 7282, 8275, 8668, 9850, 10835, 14564, 16550, 18205, 19700, 21670, 33100, 36410, 43340, 54175, 65207, 72820, 91025, 108350, 130414, 182050, 216700, 260828, 326035, 364100, 652070, 717277, 1304140, 1434554, 1630175, 2869108, 3260350, 3586385, 6520700, 7172770, 14345540, 17931925, 35863850, 71727700]

約数ペア:

[(1, 71727700), (2, 35863850), (4, 17931925), (5, 14345540), (10, 7172770), (11, 6520700), (20, 3586385), (22, 3260350), (25, 2869108), (44, 1630175), (50, 1434554), (55, 1304140), (100, 717277), (110, 652070), (197, 364100), (220, 326035), (275, 260828), (331, 216700), (394, 182050), (550, 130414), (662, 108350), (788, 91025), (985, 72820), (1100, 65207), (1324, 54175), (1655, 43340), (1970, 36410), (2167, 33100), (3310, 21670), (3641, 19700), (3940, 18205), (4334, 16550), (4925, 14564), (6620, 10835), (7282, 9850), (8275, 8668)]