2637580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 6370560

約数和(自身を除く): 3732980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 631, 836, 1045, 1262, 2090, 2524, 3155, 4180, 6310, 6941, 11989, 12620, 13882, 23978, 27764, 34705, 47956, 59945, 69410, 119890, 131879, 138820, 239780, 263758, 527516, 659395, 1318790, 2637580]

約数ペア:

[(1, 2637580), (2, 1318790), (4, 659395), (5, 527516), (10, 263758), (11, 239780), (19, 138820), (20, 131879), (22, 119890), (38, 69410), (44, 59945), (55, 47956), (76, 34705), (95, 27764), (110, 23978), (190, 13882), (209, 12620), (220, 11989), (380, 6941), (418, 6310), (631, 4180), (836, 3155), (1045, 2524), (1262, 2090)]