210978620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1\times {\mathrm{563}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 455662368

約数和(自身を除く): 244683748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 457, 563, 820, 914, 1126, 1828, 2252, 2285, 2815, 4570, 5630, 9140, 11260, 18737, 23083, 37474, 46166, 74948, 92332, 93685, 115415, 187370, 230830, 257291, 374740, 461660, 514582, 1029164, 1286455, 2572910, 5145820, 10548931, 21097862, 42195724, 52744655, 105489310, 210978620]

約数ペア:

[(1, 210978620), (2, 105489310), (4, 52744655), (5, 42195724), (10, 21097862), (20, 10548931), (41, 5145820), (82, 2572910), (164, 1286455), (205, 1029164), (410, 514582), (457, 461660), (563, 374740), (820, 257291), (914, 230830), (1126, 187370), (1828, 115415), (2252, 93685), (2285, 92332), (2815, 74948), (4570, 46166), (5630, 37474), (9140, 23083), (11260, 18737)]