221298340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{101513}}^1$

素因数の和:101631

約数の個数: 24

約数和(自身を含む): 468994680

約数和(自身を除く): 247696340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 101513, 203026, 406052, 507565, 1015130, 2030260, 11064917, 22129834, 44259668, 55324585, 110649170, 221298340]

約数ペア:

[(1, 221298340), (2, 110649170), (4, 55324585), (5, 44259668), (10, 22129834), (20, 11064917), (109, 2030260), (218, 1015130), (436, 507565), (545, 406052), (1090, 203026), (2180, 101513)]