973388420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{2851}}^1$

素因数の和:3300

約数の個数: 48

約数和(自身を含む): 2097657408

約数和(自身を除く): 1124268988

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 397, 430, 794, 860, 1588, 1985, 2851, 3970, 5702, 7940, 11404, 14255, 17071, 28510, 34142, 57020, 68284, 85355, 122593, 170710, 245186, 341420, 490372, 612965, 1131847, 1225930, 2263694, 2451860, 4527388, 5659235, 11318470, 22636940, 48669421, 97338842, 194677684, 243347105, 486694210, 973388420]

約数ペア:

[(1, 973388420), (2, 486694210), (4, 243347105), (5, 194677684), (10, 97338842), (20, 48669421), (43, 22636940), (86, 11318470), (172, 5659235), (215, 4527388), (397, 2451860), (430, 2263694), (794, 1225930), (860, 1131847), (1588, 612965), (1985, 490372), (2851, 341420), (3970, 245186), (5702, 170710), (7940, 122593), (11404, 85355), (14255, 68284), (17071, 57020), (28510, 34142)]