981930820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{6121}}^1$

素因数の和:6760

約数の個数: 48

約数和(自身を含む): 2224636848

約数和(自身を除く): 1242706028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 617, 1234, 2468, 3085, 6121, 6170, 8021, 12242, 12340, 16042, 24484, 30605, 32084, 40105, 61210, 79573, 80210, 122420, 159146, 160420, 318292, 397865, 795730, 1591460, 3776657, 7553314, 15106628, 18883285, 37766570, 49096541, 75533140, 98193082, 196386164, 245482705, 490965410, 981930820]

約数ペア:

[(1, 981930820), (2, 490965410), (4, 245482705), (5, 196386164), (10, 98193082), (13, 75533140), (20, 49096541), (26, 37766570), (52, 18883285), (65, 15106628), (130, 7553314), (260, 3776657), (617, 1591460), (1234, 795730), (2468, 397865), (3085, 318292), (6121, 160420), (6170, 159146), (8021, 122420), (12242, 80210), (12340, 79573), (16042, 61210), (24484, 40105), (30605, 32084)]