155207620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1697}}^1$

素因数の和:1992

約数の個数: 48

約数和(自身を含む): 346595760

約数和(自身を除く): 191388140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 269, 340, 538, 1076, 1345, 1697, 2690, 3394, 4573, 5380, 6788, 8485, 9146, 16970, 18292, 22865, 28849, 33940, 45730, 57698, 91460, 115396, 144245, 288490, 456493, 576980, 912986, 1825972, 2282465, 4564930, 7760381, 9129860, 15520762, 31041524, 38801905, 77603810, 155207620]

約数ペア:

[(1, 155207620), (2, 77603810), (4, 38801905), (5, 31041524), (10, 15520762), (17, 9129860), (20, 7760381), (34, 4564930), (68, 2282465), (85, 1825972), (170, 912986), (269, 576980), (340, 456493), (538, 288490), (1076, 144245), (1345, 115396), (1697, 91460), (2690, 57698), (3394, 45730), (4573, 33940), (5380, 28849), (6788, 22865), (8485, 18292), (9146, 16970)]