299154440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 786360960

約数和(自身を除く): 487206520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 85, 86, 104, 130, 136, 170, 172, 215, 221, 260, 340, 344, 430, 442, 520, 559, 680, 731, 787, 860, 884, 1105, 1118, 1462, 1574, 1720, 1768, 2210, 2236, 2795, 2924, 3148, 3655, 3935, 4420, 4472, 5590, 5848, 6296, 7310, 7870, 8840, 9503, 10231, 11180, 13379, 14620, 15740, 19006, 20462, 22360, 26758, 29240, 31480, 33841, 38012, 40924, 47515, 51155, 53516, 66895, 67682, 76024, 81848, 95030, 102310, 107032, 133790, 135364, 169205, 173927, 190060, 204620, 267580, 270728, 338410, 347854, 380120, 409240, 439933, 535160, 575297, 676820, 695708, 869635, 879866, 1150594, 1353640, 1391416, 1739270, 1759732, 2199665, 2301188, 2876485, 3478540, 3519464, 4399330, 4602376, 5752970, 6957080, 7478861, 8798660, 11505940, 14957722, 17597320, 23011880, 29915444, 37394305, 59830888, 74788610, 149577220, 299154440]

約数ペア:

[(1, 299154440), (2, 149577220), (4, 74788610), (5, 59830888), (8, 37394305), (10, 29915444), (13, 23011880), (17, 17597320), (20, 14957722), (26, 11505940), (34, 8798660), (40, 7478861), (43, 6957080), (52, 5752970), (65, 4602376), (68, 4399330), (85, 3519464), (86, 3478540), (104, 2876485), (130, 2301188), (136, 2199665), (170, 1759732), (172, 1739270), (215, 1391416), (221, 1353640), (260, 1150594), (340, 879866), (344, 869635), (430, 695708), (442, 676820), (520, 575297), (559, 535160), (680, 439933), (731, 409240), (787, 380120), (860, 347854), (884, 338410), (1105, 270728), (1118, 267580), (1462, 204620), (1574, 190060), (1720, 173927), (1768, 169205), (2210, 135364), (2236, 133790), (2795, 107032), (2924, 102310), (3148, 95030), (3655, 81848), (3935, 76024), (4420, 67682), (4472, 66895), (5590, 53516), (5848, 51155), (6296, 47515), (7310, 40924), (7870, 38012), (8840, 33841), (9503, 31480), (10231, 29240), (11180, 26758), (13379, 22360), (14620, 20462), (15740, 19006)]