291277940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{3517}}^1$

素因数の和:3668

約数の個数: 48

約数和(自身を含む): 632986704

約数和(自身を除く): 341708764

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 404, 410, 505, 820, 1010, 2020, 3517, 4141, 7034, 8282, 14068, 16564, 17585, 20705, 35170, 41410, 70340, 82820, 144197, 288394, 355217, 576788, 710434, 720985, 1420868, 1441970, 1776085, 2883940, 3552170, 7104340, 14563897, 29127794, 58255588, 72819485, 145638970, 291277940]

約数ペア:

[(1, 291277940), (2, 145638970), (4, 72819485), (5, 58255588), (10, 29127794), (20, 14563897), (41, 7104340), (82, 3552170), (101, 2883940), (164, 1776085), (202, 1441970), (205, 1420868), (404, 720985), (410, 710434), (505, 576788), (820, 355217), (1010, 288394), (2020, 144197), (3517, 82820), (4141, 70340), (7034, 41410), (8282, 35170), (14068, 20705), (16564, 17585)]