248824520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{888659}}^1$

素因数の和:888677

約数の個数: 32

約数和(自身を含む): 639835200

約数和(自身を除く): 391010680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 888659, 1777318, 3554636, 4443295, 6220613, 7109272, 8886590, 12441226, 17773180, 24882452, 31103065, 35546360, 49764904, 62206130, 124412260, 248824520]

約数ペア:

[(1, 248824520), (2, 124412260), (4, 62206130), (5, 49764904), (7, 35546360), (8, 31103065), (10, 24882452), (14, 17773180), (20, 12441226), (28, 8886590), (35, 7109272), (40, 6220613), (56, 4443295), (70, 3554636), (140, 1777318), (280, 888659)]