79271140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 184464000

約数和(自身を除く): 105192860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 169, 188, 235, 260, 338, 470, 499, 611, 676, 845, 940, 998, 1222, 1690, 1996, 2444, 2495, 3055, 3380, 4990, 6110, 6487, 7943, 9980, 12220, 12974, 15886, 23453, 25948, 31772, 32435, 39715, 46906, 64870, 79430, 84331, 93812, 117265, 129740, 158860, 168662, 234530, 304889, 337324, 421655, 469060, 609778, 843310, 1219556, 1524445, 1686620, 3048890, 3963557, 6097780, 7927114, 15854228, 19817785, 39635570, 79271140]

約数ペア:

[(1, 79271140), (2, 39635570), (4, 19817785), (5, 15854228), (10, 7927114), (13, 6097780), (20, 3963557), (26, 3048890), (47, 1686620), (52, 1524445), (65, 1219556), (94, 843310), (130, 609778), (169, 469060), (188, 421655), (235, 337324), (260, 304889), (338, 234530), (470, 168662), (499, 158860), (611, 129740), (676, 117265), (845, 93812), (940, 84331), (998, 79430), (1222, 64870), (1690, 46906), (1996, 39715), (2444, 32435), (2495, 31772), (3055, 25948), (3380, 23453), (4990, 15886), (6110, 12974), (6487, 12220), (7943, 9980)]