220163060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1229}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 510504120

約数和(自身を除く): 290341060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 530, 676, 689, 845, 1060, 1229, 1378, 1690, 2458, 2756, 3380, 3445, 4916, 6145, 6890, 8957, 12290, 13780, 15977, 17914, 24580, 31954, 35828, 44785, 63908, 65137, 79885, 89570, 130274, 159770, 179140, 207701, 260548, 319540, 325685, 415402, 651370, 830804, 846781, 1038505, 1302740, 1693562, 2077010, 3387124, 4154020, 4233905, 8467810, 11008153, 16935620, 22016306, 44032612, 55040765, 110081530, 220163060]

約数ペア:

[(1, 220163060), (2, 110081530), (4, 55040765), (5, 44032612), (10, 22016306), (13, 16935620), (20, 11008153), (26, 8467810), (52, 4233905), (53, 4154020), (65, 3387124), (106, 2077010), (130, 1693562), (169, 1302740), (212, 1038505), (260, 846781), (265, 830804), (338, 651370), (530, 415402), (676, 325685), (689, 319540), (845, 260548), (1060, 207701), (1229, 179140), (1378, 159770), (1690, 130274), (2458, 89570), (2756, 79885), (3380, 65137), (3445, 63908), (4916, 44785), (6145, 35828), (6890, 31954), (8957, 24580), (12290, 17914), (13780, 15977)]