398045007340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7487}}^1\times {\mathrm{32027}}^1$

素因数の和:39606

約数の個数: 48

約数和(自身を含む): 846104942592

約数和(自身を除く): 448059935252

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 7487, 14974, 29948, 32027, 37435, 64054, 74870, 128108, 149740, 160135, 320270, 621421, 640540, 1242842, 2485684, 2658241, 3107105, 5316482, 6214210, 10632964, 12428420, 13291205, 26582410, 53164820, 239786149, 479572298, 959144596, 1198930745, 2397861490, 4795722980, 19902250367, 39804500734, 79609001468, 99511251835, 199022503670, 398045007340]

約数ペア:

[(1, 398045007340), (2, 199022503670), (4, 99511251835), (5, 79609001468), (10, 39804500734), (20, 19902250367), (83, 4795722980), (166, 2397861490), (332, 1198930745), (415, 959144596), (830, 479572298), (1660, 239786149), (7487, 53164820), (14974, 26582410), (29948, 13291205), (32027, 12428420), (37435, 10632964), (64054, 6214210), (74870, 5316482), (128108, 3107105), (149740, 2658241), (160135, 2485684), (320270, 1242842), (621421, 640540)]