388488520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1163}}^1\times {\mathrm{1193}}^1$

素因数の和:2374

約数の個数: 64

約数和(自身を含む): 1000667520

約数和(自身を除く): 612179000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1163, 1193, 2326, 2386, 4652, 4772, 5815, 5965, 8141, 8351, 9304, 9544, 11630, 11930, 16282, 16702, 23260, 23860, 32564, 33404, 40705, 41755, 46520, 47720, 65128, 66808, 81410, 83510, 162820, 167020, 325640, 334040, 1387459, 2774918, 5549836, 6937295, 9712213, 11099672, 13874590, 19424426, 27749180, 38848852, 48561065, 55498360, 77697704, 97122130, 194244260, 388488520]

約数ペア:

[(1, 388488520), (2, 194244260), (4, 97122130), (5, 77697704), (7, 55498360), (8, 48561065), (10, 38848852), (14, 27749180), (20, 19424426), (28, 13874590), (35, 11099672), (40, 9712213), (56, 6937295), (70, 5549836), (140, 2774918), (280, 1387459), (1163, 334040), (1193, 325640), (2326, 167020), (2386, 162820), (4652, 83510), (4772, 81410), (5815, 66808), (5965, 65128), (8141, 47720), (8351, 46520), (9304, 41755), (9544, 40705), (11630, 33404), (11930, 32564), (16282, 23860), (16702, 23260)]