31411180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 70076160

約数和(自身を除く): 38664980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 631, 655, 1262, 1310, 2489, 2524, 2620, 3155, 4978, 6310, 9956, 11989, 12445, 12620, 23978, 24890, 47956, 49780, 59945, 82661, 119890, 165322, 239780, 330644, 413305, 826610, 1570559, 1653220, 3141118, 6282236, 7852795, 15705590, 31411180]

約数ペア:

[(1, 31411180), (2, 15705590), (4, 7852795), (5, 6282236), (10, 3141118), (19, 1653220), (20, 1570559), (38, 826610), (76, 413305), (95, 330644), (131, 239780), (190, 165322), (262, 119890), (380, 82661), (524, 59945), (631, 49780), (655, 47956), (1262, 24890), (1310, 23978), (2489, 12620), (2524, 12445), (2620, 11989), (3155, 9956), (4978, 6310)]