393929480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2797}}^1$

素因数の和:3318

約数の個数: 64

約数和(自身を含む): 1015338240

約数和(自身を除く): 621408760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 503, 1006, 2012, 2515, 2797, 3521, 4024, 5030, 5594, 7042, 10060, 11188, 13985, 14084, 17605, 19579, 20120, 22376, 27970, 28168, 35210, 39158, 55940, 70420, 78316, 97895, 111880, 140840, 156632, 195790, 391580, 783160, 1406891, 2813782, 5627564, 7034455, 9848237, 11255128, 14068910, 19696474, 28137820, 39392948, 49241185, 56275640, 78785896, 98482370, 196964740, 393929480]

約数ペア:

[(1, 393929480), (2, 196964740), (4, 98482370), (5, 78785896), (7, 56275640), (8, 49241185), (10, 39392948), (14, 28137820), (20, 19696474), (28, 14068910), (35, 11255128), (40, 9848237), (56, 7034455), (70, 5627564), (140, 2813782), (280, 1406891), (503, 783160), (1006, 391580), (2012, 195790), (2515, 156632), (2797, 140840), (3521, 111880), (4024, 97895), (5030, 78316), (5594, 70420), (7042, 55940), (10060, 39158), (11188, 35210), (13985, 28168), (14084, 27970), (17605, 22376), (19579, 20120)]