76999240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 102626360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 503, 712, 860, 890, 1006, 1720, 1780, 2012, 2515, 3560, 3827, 4024, 5030, 7654, 10060, 15308, 19135, 20120, 21629, 30616, 38270, 43258, 44767, 76540, 86516, 89534, 108145, 153080, 173032, 179068, 216290, 223835, 358136, 432580, 447670, 865160, 895340, 1790680, 1924981, 3849962, 7699924, 9624905, 15399848, 19249810, 38499620, 76999240]

約数ペア:

[(1, 76999240), (2, 38499620), (4, 19249810), (5, 15399848), (8, 9624905), (10, 7699924), (20, 3849962), (40, 1924981), (43, 1790680), (86, 895340), (89, 865160), (172, 447670), (178, 432580), (215, 358136), (344, 223835), (356, 216290), (430, 179068), (445, 173032), (503, 153080), (712, 108145), (860, 89534), (890, 86516), (1006, 76540), (1720, 44767), (1780, 43258), (2012, 38270), (2515, 30616), (3560, 21629), (3827, 20120), (4024, 19135), (5030, 15308), (7654, 10060)]