90890090

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{1213}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 167823360

約数和(自身を除く): 76933270

約数列:

[1, 2, 5, 10, 59, 118, 127, 254, 295, 590, 635, 1213, 1270, 2426, 6065, 7493, 12130, 14986, 37465, 71567, 74930, 143134, 154051, 308102, 357835, 715670, 770255, 1540510, 9089009, 18178018, 45445045, 90890090]

約数ペア:

[(1, 90890090), (2, 45445045), (5, 18178018), (10, 9089009), (59, 1540510), (118, 770255), (127, 715670), (254, 357835), (295, 308102), (590, 154051), (635, 143134), (1213, 74930), (1270, 71567), (2426, 37465), (6065, 14986), (7493, 12130)]