221536900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{170413}}^1$

素因数の和:170440

約数の個数: 36

約数和(自身を含む): 517717732

約数和(自身を除く): 296180832

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 170413, 340826, 681652, 852065, 1704130, 2215369, 3408260, 4260325, 4430738, 8520650, 8861476, 11076845, 17041300, 22153690, 44307380, 55384225, 110768450, 221536900]

約数ペア:

[(1, 221536900), (2, 110768450), (4, 55384225), (5, 44307380), (10, 22153690), (13, 17041300), (20, 11076845), (25, 8861476), (26, 8520650), (50, 4430738), (52, 4260325), (65, 3408260), (100, 2215369), (130, 1704130), (260, 852065), (325, 681652), (650, 340826), (1300, 170413)]