248860280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{719}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 594864000

約数和(自身を除く): 346003720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 509, 680, 719, 1018, 1438, 2036, 2545, 2876, 3595, 4072, 5090, 5752, 7190, 8653, 10180, 12223, 14380, 17306, 20360, 24446, 28760, 34612, 43265, 48892, 61115, 69224, 86530, 97784, 122230, 173060, 244460, 346120, 365971, 488920, 731942, 1463884, 1829855, 2927768, 3659710, 6221507, 7319420, 12443014, 14638840, 24886028, 31107535, 49772056, 62215070, 124430140, 248860280]

約数ペア:

[(1, 248860280), (2, 124430140), (4, 62215070), (5, 49772056), (8, 31107535), (10, 24886028), (17, 14638840), (20, 12443014), (34, 7319420), (40, 6221507), (68, 3659710), (85, 2927768), (136, 1829855), (170, 1463884), (340, 731942), (509, 488920), (680, 365971), (719, 346120), (1018, 244460), (1438, 173060), (2036, 122230), (2545, 97784), (2876, 86530), (3595, 69224), (4072, 61115), (5090, 48892), (5752, 43265), (7190, 34612), (8653, 28760), (10180, 24446), (12223, 20360), (14380, 17306)]