22732220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{409}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 54828480

約数和(自身を除く): 32096260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 409, 794, 818, 1588, 1636, 1985, 2045, 2779, 2863, 3970, 4090, 5558, 5726, 7940, 8180, 11116, 11452, 13895, 14315, 27790, 28630, 55580, 57260, 162373, 324746, 649492, 811865, 1136611, 1623730, 2273222, 3247460, 4546444, 5683055, 11366110, 22732220]

約数ペア:

[(1, 22732220), (2, 11366110), (4, 5683055), (5, 4546444), (7, 3247460), (10, 2273222), (14, 1623730), (20, 1136611), (28, 811865), (35, 649492), (70, 324746), (140, 162373), (397, 57260), (409, 55580), (794, 28630), (818, 27790), (1588, 14315), (1636, 13895), (1985, 11452), (2045, 11116), (2779, 8180), (2863, 7940), (3970, 5726), (4090, 5558)]