310058420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{31193}}^1$

素因数の和:31280

約数の個数: 48

約数和(自身を含む): 754645248

約数和(自身を除く): 444586828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 31193, 62386, 124772, 155965, 218351, 311930, 436702, 623860, 873404, 1091755, 2183510, 2214703, 4367020, 4429406, 8858812, 11073515, 15502921, 22147030, 31005842, 44294060, 62011684, 77514605, 155029210, 310058420]

約数ペア:

[(1, 310058420), (2, 155029210), (4, 77514605), (5, 62011684), (7, 44294060), (10, 31005842), (14, 22147030), (20, 15502921), (28, 11073515), (35, 8858812), (70, 4429406), (71, 4367020), (140, 2214703), (142, 2183510), (284, 1091755), (355, 873404), (497, 623860), (710, 436702), (994, 311930), (1420, 218351), (1988, 155965), (2485, 124772), (4970, 62386), (9940, 31193)]