90691180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5821}}^1$

素因数の和:5890

約数の個数: 48

約数和(自身を含む): 205400160

約数和(自身を除く): 114708980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 5821, 7790, 11642, 15580, 23284, 29105, 58210, 110599, 116420, 221198, 238661, 442396, 477322, 552995, 954644, 1105990, 1193305, 2211980, 2386610, 4534559, 4773220, 9069118, 18138236, 22672795, 45345590, 90691180]

約数ペア:

[(1, 90691180), (2, 45345590), (4, 22672795), (5, 18138236), (10, 9069118), (19, 4773220), (20, 4534559), (38, 2386610), (41, 2211980), (76, 1193305), (82, 1105990), (95, 954644), (164, 552995), (190, 477322), (205, 442396), (380, 238661), (410, 221198), (779, 116420), (820, 110599), (1558, 58210), (3116, 29105), (3895, 23284), (5821, 15580), (7790, 11642)]