220172975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{3527}}^1$

素因数の和:3775

約数の個数: 24

約数和(自身を含む): 299230848

約数和(自身を除く): 79057873

約数列:

[1, 5, 11, 25, 55, 227, 275, 1135, 2497, 3527, 5675, 12485, 17635, 38797, 62425, 88175, 193985, 800629, 969925, 4003145, 8806919, 20015725, 44034595, 220172975]

約数ペア:

[(1, 220172975), (5, 44034595), (11, 20015725), (25, 8806919), (55, 4003145), (227, 969925), (275, 800629), (1135, 193985), (2497, 88175), (3527, 62425), (5675, 38797), (12485, 17635)]