220198825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{10399}}^1$

素因数の和:10438

約数の個数: 36

約数和(自身を含む): 343033600

約数和(自身を除く): 122834775

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 1925, 3025, 4235, 10399, 21175, 51995, 72793, 114389, 259975, 363965, 571945, 800723, 1258279, 1819825, 2859725, 4003615, 6291395, 8807953, 20018075, 31456975, 44039765, 220198825]

約数ペア:

[(1, 220198825), (5, 44039765), (7, 31456975), (11, 20018075), (25, 8807953), (35, 6291395), (55, 4003615), (77, 2859725), (121, 1819825), (175, 1258279), (275, 800723), (385, 571945), (605, 363965), (847, 259975), (1925, 114389), (3025, 72793), (4235, 51995), (10399, 21175)]