496624760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 1134000000

約数和(自身を除く): 637375240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 179, 278, 358, 499, 556, 695, 716, 895, 998, 1112, 1390, 1432, 1790, 1996, 2495, 2780, 3580, 3992, 4990, 5560, 7160, 9980, 19960, 24881, 49762, 69361, 89321, 99524, 124405, 138722, 178642, 199048, 248810, 277444, 346805, 357284, 446605, 497620, 554888, 693610, 714568, 893210, 995240, 1387220, 1786420, 2774440, 3572840, 12415619, 24831238, 49662476, 62078095, 99324952, 124156190, 248312380, 496624760]

約数ペア:

[(1, 496624760), (2, 248312380), (4, 124156190), (5, 99324952), (8, 62078095), (10, 49662476), (20, 24831238), (40, 12415619), (139, 3572840), (179, 2774440), (278, 1786420), (358, 1387220), (499, 995240), (556, 893210), (695, 714568), (716, 693610), (895, 554888), (998, 497620), (1112, 446605), (1390, 357284), (1432, 346805), (1790, 277444), (1996, 248810), (2495, 199048), (2780, 178642), (3580, 138722), (3992, 124405), (4990, 99524), (5560, 89321), (7160, 69361), (9980, 49762), (19960, 24881)]