71303980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3209}}^1$

素因数の和:3330

約数の個数: 48

約数和(自身を含む): 165019680

約数和(自身を除く): 93715700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 3209, 4444, 5555, 6418, 11110, 12836, 16045, 22220, 32090, 35299, 64180, 70598, 141196, 176495, 324109, 352990, 648218, 705980, 1296436, 1620545, 3241090, 3565199, 6482180, 7130398, 14260796, 17825995, 35651990, 71303980]

約数ペア:

[(1, 71303980), (2, 35651990), (4, 17825995), (5, 14260796), (10, 7130398), (11, 6482180), (20, 3565199), (22, 3241090), (44, 1620545), (55, 1296436), (101, 705980), (110, 648218), (202, 352990), (220, 324109), (404, 176495), (505, 141196), (1010, 70598), (1111, 64180), (2020, 35299), (2222, 32090), (3209, 22220), (4444, 16045), (5555, 12836), (6418, 11110)]