209221210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2111}}^1$

素因数の和:2199

約数の個数: 64

約数和(自身を含む): 443418624

約数和(自身を除く): 234197414

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 53, 55, 85, 106, 110, 170, 187, 265, 374, 530, 583, 901, 935, 1166, 1802, 1870, 2111, 2915, 4222, 4505, 5830, 9010, 9911, 10555, 19822, 21110, 23221, 35887, 46442, 49555, 71774, 99110, 111883, 116105, 179435, 223766, 232210, 358870, 394757, 559415, 789514, 1118830, 1230713, 1902011, 1973785, 2461426, 3804022, 3947570, 6153565, 9510055, 12307130, 19020110, 20922121, 41844242, 104610605, 209221210]

約数ペア:

[(1, 209221210), (2, 104610605), (5, 41844242), (10, 20922121), (11, 19020110), (17, 12307130), (22, 9510055), (34, 6153565), (53, 3947570), (55, 3804022), (85, 2461426), (106, 1973785), (110, 1902011), (170, 1230713), (187, 1118830), (265, 789514), (374, 559415), (530, 394757), (583, 358870), (901, 232210), (935, 223766), (1166, 179435), (1802, 116105), (1870, 111883), (2111, 99110), (2915, 71774), (4222, 49555), (4505, 46442), (5830, 35887), (9010, 23221), (9911, 21110), (10555, 19822)]