10404020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 25347168

約数和(自身を除く): 14943148

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 131, 190, 209, 220, 262, 361, 380, 418, 524, 655, 722, 836, 1045, 1310, 1441, 1444, 1805, 2090, 2489, 2620, 2882, 3610, 3971, 4180, 4978, 5764, 7205, 7220, 7942, 9956, 12445, 14410, 15884, 19855, 24890, 27379, 28820, 39710, 47291, 49780, 54758, 79420, 94582, 109516, 136895, 189164, 236455, 273790, 472910, 520201, 547580, 945820, 1040402, 2080804, 2601005, 5202010, 10404020]

約数ペア:

[(1, 10404020), (2, 5202010), (4, 2601005), (5, 2080804), (10, 1040402), (11, 945820), (19, 547580), (20, 520201), (22, 472910), (38, 273790), (44, 236455), (55, 189164), (76, 136895), (95, 109516), (110, 94582), (131, 79420), (190, 54758), (209, 49780), (220, 47291), (262, 39710), (361, 28820), (380, 27379), (418, 24890), (524, 19855), (655, 15884), (722, 14410), (836, 12445), (1045, 9956), (1310, 7942), (1441, 7220), (1444, 7205), (1805, 5764), (2090, 4978), (2489, 4180), (2620, 3971), (2882, 3610)]