31905940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 81648000

約数和(自身を除く): 49742060

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, 449, 646, 748, 836, 898, 935, 1045, 1292, 1615, 1796, 1870, 2090, 2245, 3230, 3553, 3740, 4180, 4490, 4939, 6460, 7106, 7633, 8531, 8980, 9878, 14212, 15266, 17062, 17765, 19756, 24695, 30532, 34124, 35530, 38165, 42655, 49390, 71060, 76330, 83963, 85310, 93841, 98780, 145027, 152660, 167926, 170620, 187682, 290054, 335852, 375364, 419815, 469205, 580108, 725135, 839630, 938410, 1450270, 1595297, 1679260, 1876820, 2900540, 3190594, 6381188, 7976485, 15952970, 31905940]

約数ペア:

[(1, 31905940), (2, 15952970), (4, 7976485), (5, 6381188), (10, 3190594), (11, 2900540), (17, 1876820), (19, 1679260), (20, 1595297), (22, 1450270), (34, 938410), (38, 839630), (44, 725135), (55, 580108), (68, 469205), (76, 419815), (85, 375364), (95, 335852), (110, 290054), (170, 187682), (187, 170620), (190, 167926), (209, 152660), (220, 145027), (323, 98780), (340, 93841), (374, 85310), (380, 83963), (418, 76330), (449, 71060), (646, 49390), (748, 42655), (836, 38165), (898, 35530), (935, 34124), (1045, 30532), (1292, 24695), (1615, 19756), (1796, 17765), (1870, 17062), (2090, 15266), (2245, 14212), (3230, 9878), (3553, 8980), (3740, 8531), (4180, 7633), (4490, 7106), (4939, 6460)]