213702940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 496707120

約数和(自身を除く): 283004180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 233, 242, 379, 466, 484, 605, 758, 932, 1165, 1210, 1516, 1895, 2330, 2420, 2563, 3790, 4169, 4660, 5126, 7580, 8338, 10252, 12815, 16676, 20845, 25630, 28193, 41690, 45859, 51260, 56386, 83380, 88307, 91718, 112772, 140965, 176614, 183436, 229295, 281930, 353228, 441535, 458590, 563860, 883070, 917180, 971377, 1766140, 1942754, 3885508, 4856885, 9713770, 10685147, 19427540, 21370294, 42740588, 53425735, 106851470, 213702940]

約数ペア:

[(1, 213702940), (2, 106851470), (4, 53425735), (5, 42740588), (10, 21370294), (11, 19427540), (20, 10685147), (22, 9713770), (44, 4856885), (55, 3885508), (110, 1942754), (121, 1766140), (220, 971377), (233, 917180), (242, 883070), (379, 563860), (466, 458590), (484, 441535), (605, 353228), (758, 281930), (932, 229295), (1165, 183436), (1210, 176614), (1516, 140965), (1895, 112772), (2330, 91718), (2420, 88307), (2563, 83380), (3790, 56386), (4169, 51260), (4660, 45859), (5126, 41690), (7580, 28193), (8338, 25630), (10252, 20845), (12815, 16676)]