129671180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{1249}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 283500000

約数和(自身を除く): 153828820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 179, 290, 358, 580, 716, 895, 1249, 1790, 2498, 3580, 4996, 5191, 6245, 10382, 12490, 20764, 24980, 25955, 36221, 51910, 72442, 103820, 144884, 181105, 223571, 362210, 447142, 724420, 894284, 1117855, 2235710, 4471420, 6483559, 12967118, 25934236, 32417795, 64835590, 129671180]

約数ペア:

[(1, 129671180), (2, 64835590), (4, 32417795), (5, 25934236), (10, 12967118), (20, 6483559), (29, 4471420), (58, 2235710), (116, 1117855), (145, 894284), (179, 724420), (290, 447142), (358, 362210), (580, 223571), (716, 181105), (895, 144884), (1249, 103820), (1790, 72442), (2498, 51910), (3580, 36221), (4996, 25955), (5191, 24980), (6245, 20764), (10382, 12490)]