22890820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 51508800

約数和(自身を除く): 28617980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1021, 1121, 1180, 2042, 2242, 4084, 4484, 5105, 5605, 10210, 11210, 19399, 20420, 22420, 38798, 60239, 77596, 96995, 120478, 193990, 240956, 301195, 387980, 602390, 1144541, 1204780, 2289082, 4578164, 5722705, 11445410, 22890820]

約数ペア:

[(1, 22890820), (2, 11445410), (4, 5722705), (5, 4578164), (10, 2289082), (19, 1204780), (20, 1144541), (38, 602390), (59, 387980), (76, 301195), (95, 240956), (118, 193990), (190, 120478), (236, 96995), (295, 77596), (380, 60239), (590, 38798), (1021, 22420), (1121, 20420), (1180, 19399), (2042, 11210), (2242, 10210), (4084, 5605), (4484, 5105)]