355214920

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{7321}}^1$

素因数の和:8545

約数の個数: 32

約数和(自身を含む): 800001720

約数和(自身を除く): 444786800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 2426, 4852, 6065, 7321, 9704, 12130, 14642, 24260, 29284, 36605, 48520, 58568, 73210, 146420, 292840, 8880373, 17760746, 35521492, 44401865, 71042984, 88803730, 177607460, 355214920]

約数ペア:

[(1, 355214920), (2, 177607460), (4, 88803730), (5, 71042984), (8, 44401865), (10, 35521492), (20, 17760746), (40, 8880373), (1213, 292840), (2426, 146420), (4852, 73210), (6065, 58568), (7321, 48520), (9704, 36605), (12130, 29284), (14642, 24260)]