1931567800340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{1977971}}^1$

素因数の和:1978448

約数の個数: 48

約数和(自身を含む): 4095256523904

約数和(自身を除く): 2163688723564

約数列:

[1, 2, 4, 5, 10, 20, 157, 311, 314, 622, 628, 785, 1244, 1555, 1570, 3110, 3140, 6220, 48827, 97654, 195308, 244135, 488270, 976540, 1977971, 3955942, 7911884, 9889855, 19779710, 39559420, 310541447, 615148981, 621082894, 1230297962, 1242165788, 1552707235, 2460595924, 3075744905, 3105414470, 6151489810, 6210828940, 12302979620, 96578390017, 193156780034, 386313560068, 482891950085, 965783900170, 1931567800340]

約数ペア:

[(1, 1931567800340), (2, 965783900170), (4, 482891950085), (5, 386313560068), (10, 193156780034), (20, 96578390017), (157, 12302979620), (311, 6210828940), (314, 6151489810), (622, 3105414470), (628, 3075744905), (785, 2460595924), (1244, 1552707235), (1555, 1242165788), (1570, 1230297962), (3110, 621082894), (3140, 615148981), (6220, 310541447), (48827, 39559420), (97654, 19779710), (195308, 9889855), (244135, 7911884), (488270, 3955942), (976540, 1977971)]