74845940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 181104000

約数和(自身を除く): 106258060

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 109, 130, 139, 190, 218, 247, 260, 278, 380, 436, 494, 545, 556, 695, 988, 1090, 1235, 1390, 1417, 1807, 2071, 2180, 2470, 2641, 2780, 2834, 3614, 4142, 4940, 5282, 5668, 7085, 7228, 8284, 9035, 10355, 10564, 13205, 14170, 15151, 18070, 20710, 26410, 26923, 28340, 30302, 34333, 36140, 41420, 52820, 53846, 60604, 68666, 75755, 107692, 134615, 137332, 151510, 171665, 196963, 269230, 287869, 303020, 343330, 393926, 538460, 575738, 686660, 787852, 984815, 1151476, 1439345, 1969630, 2878690, 3742297, 3939260, 5757380, 7484594, 14969188, 18711485, 37422970, 74845940]

約数ペア:

[(1, 74845940), (2, 37422970), (4, 18711485), (5, 14969188), (10, 7484594), (13, 5757380), (19, 3939260), (20, 3742297), (26, 2878690), (38, 1969630), (52, 1439345), (65, 1151476), (76, 984815), (95, 787852), (109, 686660), (130, 575738), (139, 538460), (190, 393926), (218, 343330), (247, 303020), (260, 287869), (278, 269230), (380, 196963), (436, 171665), (494, 151510), (545, 137332), (556, 134615), (695, 107692), (988, 75755), (1090, 68666), (1235, 60604), (1390, 53846), (1417, 52820), (1807, 41420), (2071, 36140), (2180, 34333), (2470, 30302), (2641, 28340), (2780, 26923), (2834, 26410), (3614, 20710), (4142, 18070), (4940, 15151), (5282, 14170), (5668, 13205), (7085, 10564), (7228, 10355), (8284, 9035)]