211049140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{1579}}^1$

素因数の和:1792

約数の個数: 48

約数和(自身を含む): 457087680

約数和(自身を除く): 246038540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 163, 164, 205, 326, 410, 652, 815, 820, 1579, 1630, 3158, 3260, 6316, 6683, 7895, 13366, 15790, 26732, 31580, 33415, 64739, 66830, 129478, 133660, 257377, 258956, 323695, 514754, 647390, 1029508, 1286885, 1294780, 2573770, 5147540, 10552457, 21104914, 42209828, 52762285, 105524570, 211049140]

約数ペア:

[(1, 211049140), (2, 105524570), (4, 52762285), (5, 42209828), (10, 21104914), (20, 10552457), (41, 5147540), (82, 2573770), (163, 1294780), (164, 1286885), (205, 1029508), (326, 647390), (410, 514754), (652, 323695), (815, 258956), (820, 257377), (1579, 133660), (1630, 129478), (3158, 66830), (3260, 64739), (6316, 33415), (6683, 31580), (7895, 26732), (13366, 15790)]