128971430

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2026

約数の個数: 64

約数和(自身を含む): 285120000

約数和(自身を除く): 156148570

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 343, 490, 665, 686, 931, 1330, 1715, 1862, 1979, 3430, 3958, 4655, 6517, 9310, 9895, 13034, 13853, 19790, 27706, 32585, 37601, 65170, 69265, 75202, 96971, 138530, 188005, 193942, 263207, 376010, 484855, 526414, 678797, 969710, 1316035, 1357594, 1842449, 2632070, 3393985, 3684898, 6787970, 9212245, 12897143, 18424490, 25794286, 64485715, 128971430]

約数ペア:

[(1, 128971430), (2, 64485715), (5, 25794286), (7, 18424490), (10, 12897143), (14, 9212245), (19, 6787970), (35, 3684898), (38, 3393985), (49, 2632070), (70, 1842449), (95, 1357594), (98, 1316035), (133, 969710), (190, 678797), (245, 526414), (266, 484855), (343, 376010), (490, 263207), (665, 193942), (686, 188005), (931, 138530), (1330, 96971), (1715, 75202), (1862, 69265), (1979, 65170), (3430, 37601), (3958, 32585), (4655, 27706), (6517, 19790), (9310, 13853), (9895, 13034)]