139421560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 326462400

約数和(自身を除く): 187040840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 263, 290, 457, 526, 580, 914, 1052, 1160, 1315, 1828, 2104, 2285, 2630, 3656, 4570, 5260, 7627, 9140, 10520, 13253, 15254, 18280, 26506, 30508, 38135, 53012, 61016, 66265, 76270, 106024, 120191, 132530, 152540, 240382, 265060, 305080, 480764, 530120, 600955, 961528, 1201910, 2403820, 3485539, 4807640, 6971078, 13942156, 17427695, 27884312, 34855390, 69710780, 139421560]

約数ペア:

[(1, 139421560), (2, 69710780), (4, 34855390), (5, 27884312), (8, 17427695), (10, 13942156), (20, 6971078), (29, 4807640), (40, 3485539), (58, 2403820), (116, 1201910), (145, 961528), (232, 600955), (263, 530120), (290, 480764), (457, 305080), (526, 265060), (580, 240382), (914, 152540), (1052, 132530), (1160, 120191), (1315, 106024), (1828, 76270), (2104, 66265), (2285, 61016), (2630, 53012), (3656, 38135), (4570, 30508), (5260, 26506), (7627, 18280), (9140, 15254), (10520, 13253)]