220972180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{77263}}^1$

素因数の和:77296

約数の個数: 48

約数和(自身を含む): 545174784

約数和(自身を除く): 324202604

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 77263, 154526, 309052, 386315, 772630, 849893, 1004419, 1545260, 1699786, 2008838, 3399572, 4017676, 4249465, 5022095, 8498930, 10044190, 11048609, 16997860, 20088380, 22097218, 44194436, 55243045, 110486090, 220972180]

約数ペア:

[(1, 220972180), (2, 110486090), (4, 55243045), (5, 44194436), (10, 22097218), (11, 20088380), (13, 16997860), (20, 11048609), (22, 10044190), (26, 8498930), (44, 5022095), (52, 4249465), (55, 4017676), (65, 3399572), (110, 2008838), (130, 1699786), (143, 1545260), (220, 1004419), (260, 849893), (286, 772630), (572, 386315), (715, 309052), (1430, 154526), (2860, 77263)]