201219580

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{66629}}^1$

素因数の和:66789

約数の個数: 24

約数和(自身を含む): 425365920

約数和(自身を除く): 224146340

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 66629, 133258, 266516, 333145, 666290, 1332580, 10060979, 20121958, 40243916, 50304895, 100609790, 201219580]

約数ペア:

[(1, 201219580), (2, 100609790), (4, 50304895), (5, 40243916), (10, 20121958), (20, 10060979), (151, 1332580), (302, 666290), (604, 333145), (755, 266516), (1510, 133258), (3020, 66629)]