188802020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2459}}^1$

素因数の和:2828

約数の個数: 48

約数和(自身を含む): 433944000

約数和(自身を除く): 245141980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 698, 1396, 1745, 2459, 3490, 3839, 4918, 6980, 7678, 9836, 12295, 15356, 19195, 24590, 27049, 38390, 49180, 54098, 76780, 108196, 135245, 270490, 540980, 858191, 1716382, 3432764, 4290955, 8581910, 9440101, 17163820, 18880202, 37760404, 47200505, 94401010, 188802020]

約数ペア:

[(1, 188802020), (2, 94401010), (4, 47200505), (5, 37760404), (10, 18880202), (11, 17163820), (20, 9440101), (22, 8581910), (44, 4290955), (55, 3432764), (110, 1716382), (220, 858191), (349, 540980), (698, 270490), (1396, 135245), (1745, 108196), (2459, 76780), (3490, 54098), (3839, 49180), (4918, 38390), (6980, 27049), (7678, 24590), (9836, 19195), (12295, 15356)]