207402020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40039}}^1$

素因数の和:40092

約数の個数: 48

約数和(自身を含む): 511230720

約数和(自身を除く): 303828700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 40039, 80078, 160156, 200195, 280273, 400390, 560546, 800780, 1121092, 1401365, 1481443, 2802730, 2962886, 5605460, 5925772, 7407215, 10370101, 14814430, 20740202, 29628860, 41480404, 51850505, 103701010, 207402020]

約数ペア:

[(1, 207402020), (2, 103701010), (4, 51850505), (5, 41480404), (7, 29628860), (10, 20740202), (14, 14814430), (20, 10370101), (28, 7407215), (35, 5925772), (37, 5605460), (70, 2962886), (74, 2802730), (140, 1481443), (148, 1401365), (185, 1121092), (259, 800780), (370, 560546), (518, 400390), (740, 280273), (1036, 200195), (1295, 160156), (2590, 80078), (5180, 40039)]