31479580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 80559360

約数和(自身を除く): 49079780

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 443, 646, 748, 836, 886, 935, 1045, 1292, 1615, 1772, 1870, 2090, 2215, 3230, 3553, 3740, 4180, 4430, 4873, 6460, 7106, 7531, 8417, 8860, 9746, 14212, 15062, 16834, 17765, 19492, 24365, 30124, 33668, 35530, 37655, 42085, 48730, 71060, 75310, 82841, 84170, 92587, 97460, 143089, 150620, 165682, 168340, 185174, 286178, 331364, 370348, 414205, 462935, 572356, 715445, 828410, 925870, 1430890, 1573979, 1656820, 1851740, 2861780, 3147958, 6295916, 7869895, 15739790, 31479580]

約数ペア:

[(1, 31479580), (2, 15739790), (4, 7869895), (5, 6295916), (10, 3147958), (11, 2861780), (17, 1851740), (19, 1656820), (20, 1573979), (22, 1430890), (34, 925870), (38, 828410), (44, 715445), (55, 572356), (68, 462935), (76, 414205), (85, 370348), (95, 331364), (110, 286178), (170, 185174), (187, 168340), (190, 165682), (209, 150620), (220, 143089), (323, 97460), (340, 92587), (374, 84170), (380, 82841), (418, 75310), (443, 71060), (646, 48730), (748, 42085), (836, 37655), (886, 35530), (935, 33668), (1045, 30124), (1292, 24365), (1615, 19492), (1772, 17765), (1870, 16834), (2090, 15062), (2215, 14212), (3230, 9746), (3553, 8860), (3740, 8417), (4180, 7531), (4430, 7106), (4873, 6460)]