28699060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 70785792

約数和(自身を除く): 42086732

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 43, 52, 65, 68, 85, 86, 130, 151, 170, 172, 215, 221, 260, 302, 340, 430, 442, 559, 604, 731, 755, 860, 884, 1105, 1118, 1462, 1510, 1963, 2210, 2236, 2567, 2795, 2924, 3020, 3655, 3926, 4420, 5134, 5590, 6493, 7310, 7852, 9503, 9815, 10268, 11180, 12835, 12986, 14620, 19006, 19630, 25670, 25972, 32465, 33371, 38012, 39260, 47515, 51340, 64930, 66742, 84409, 95030, 110381, 129860, 133484, 166855, 168818, 190060, 220762, 333710, 337636, 422045, 441524, 551905, 667420, 844090, 1103810, 1434953, 1688180, 2207620, 2869906, 5739812, 7174765, 14349530, 28699060]

約数ペア:

[(1, 28699060), (2, 14349530), (4, 7174765), (5, 5739812), (10, 2869906), (13, 2207620), (17, 1688180), (20, 1434953), (26, 1103810), (34, 844090), (43, 667420), (52, 551905), (65, 441524), (68, 422045), (85, 337636), (86, 333710), (130, 220762), (151, 190060), (170, 168818), (172, 166855), (215, 133484), (221, 129860), (260, 110381), (302, 95030), (340, 84409), (430, 66742), (442, 64930), (559, 51340), (604, 47515), (731, 39260), (755, 38012), (860, 33371), (884, 32465), (1105, 25972), (1118, 25670), (1462, 19630), (1510, 19006), (1963, 14620), (2210, 12986), (2236, 12835), (2567, 11180), (2795, 10268), (2924, 9815), (3020, 9503), (3655, 7852), (3926, 7310), (4420, 6493), (5134, 5590)]