74938040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 179768160

約数和(自身を除く): 104830120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 340, 386, 571, 680, 772, 965, 1142, 1544, 1930, 2284, 2855, 3281, 3860, 4568, 5710, 6562, 7720, 9707, 11420, 13124, 16405, 19414, 22840, 26248, 32810, 38828, 48535, 65620, 77656, 97070, 110203, 131240, 194140, 220406, 388280, 440812, 551015, 881624, 1102030, 1873451, 2204060, 3746902, 4408120, 7493804, 9367255, 14987608, 18734510, 37469020, 74938040]

約数ペア:

[(1, 74938040), (2, 37469020), (4, 18734510), (5, 14987608), (8, 9367255), (10, 7493804), (17, 4408120), (20, 3746902), (34, 2204060), (40, 1873451), (68, 1102030), (85, 881624), (136, 551015), (170, 440812), (193, 388280), (340, 220406), (386, 194140), (571, 131240), (680, 110203), (772, 97070), (965, 77656), (1142, 65620), (1544, 48535), (1930, 38828), (2284, 32810), (2855, 26248), (3281, 22840), (3860, 19414), (4568, 16405), (5710, 13124), (6562, 11420), (7720, 9707)]