980701990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{24329}}^1$

素因数の和:24504

約数の個数: 32

約数和(自身を含む): 1839348000

約数和(自身を除く): 858646010

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 695, 1390, 4031, 8062, 20155, 24329, 40310, 48658, 121645, 243290, 705541, 1411082, 3381731, 3527705, 6763462, 7055410, 16908655, 33817310, 98070199, 196140398, 490350995, 980701990]

約数ペア:

[(1, 980701990), (2, 490350995), (5, 196140398), (10, 98070199), (29, 33817310), (58, 16908655), (139, 7055410), (145, 6763462), (278, 3527705), (290, 3381731), (695, 1411082), (1390, 705541), (4031, 243290), (8062, 121645), (20155, 48658), (24329, 40310)]