395144080

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{21569}}^1$

素因数の和:21811

約数の個数: 40

約数和(自身を含む): 922764600

約数和(自身を除く): 527620520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 18320, 21569, 43138, 86276, 107845, 172552, 215690, 345104, 431380, 862760, 1725520, 4939301, 9878602, 19757204, 24696505, 39514408, 49393010, 79028816, 98786020, 197572040, 395144080]

約数ペア:

[(1, 395144080), (2, 197572040), (4, 98786020), (5, 79028816), (8, 49393010), (10, 39514408), (16, 24696505), (20, 19757204), (40, 9878602), (80, 4939301), (229, 1725520), (458, 862760), (916, 431380), (1145, 345104), (1832, 215690), (2290, 172552), (3664, 107845), (4580, 86276), (9160, 43138), (18320, 21569)]