222045980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19861}}^1$

素因数の和:19926

約数の個数: 48

約数和(自身を含む): 513869664

約数和(自身を除く): 291823684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 19861, 39722, 79444, 99305, 198610, 258193, 397220, 516386, 854023, 1032772, 1290965, 1708046, 2581930, 3416092, 4270115, 5163860, 8540230, 11102299, 17080460, 22204598, 44409196, 55511495, 111022990, 222045980]

約数ペア:

[(1, 222045980), (2, 111022990), (4, 55511495), (5, 44409196), (10, 22204598), (13, 17080460), (20, 11102299), (26, 8540230), (43, 5163860), (52, 4270115), (65, 3416092), (86, 2581930), (130, 1708046), (172, 1290965), (215, 1032772), (260, 854023), (430, 516386), (559, 397220), (860, 258193), (1118, 198610), (2236, 99305), (2795, 79444), (5590, 39722), (11180, 19861)]