2942920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 7128000

約数和(自身を除く): 4185080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 59, 86, 116, 118, 145, 172, 215, 232, 236, 290, 295, 344, 430, 472, 580, 590, 860, 1160, 1180, 1247, 1711, 1720, 2360, 2494, 2537, 3422, 4988, 5074, 6235, 6844, 8555, 9976, 10148, 12470, 12685, 13688, 17110, 20296, 24940, 25370, 34220, 49880, 50740, 68440, 73573, 101480, 147146, 294292, 367865, 588584, 735730, 1471460, 2942920]

約数ペア:

[(1, 2942920), (2, 1471460), (4, 735730), (5, 588584), (8, 367865), (10, 294292), (20, 147146), (29, 101480), (40, 73573), (43, 68440), (58, 50740), (59, 49880), (86, 34220), (116, 25370), (118, 24940), (145, 20296), (172, 17110), (215, 13688), (232, 12685), (236, 12470), (290, 10148), (295, 9976), (344, 8555), (430, 6844), (472, 6235), (580, 5074), (590, 4988), (860, 3422), (1160, 2537), (1180, 2494), (1247, 2360), (1711, 1720)]