1520265460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{638767}}^1$

素因数の和:638800

約数の個数: 48

約数和(自身を含む): 3863268864

約数和(自身を除く): 2343003404

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 638767, 1277534, 2555068, 3193835, 4471369, 6387670, 8942738, 10859039, 12775340, 17885476, 21718078, 22356845, 43436156, 44713690, 54295195, 76013273, 89427380, 108590390, 152026546, 217180780, 304053092, 380066365, 760132730, 1520265460]

約数ペア:

[(1, 1520265460), (2, 760132730), (4, 380066365), (5, 304053092), (7, 217180780), (10, 152026546), (14, 108590390), (17, 89427380), (20, 76013273), (28, 54295195), (34, 44713690), (35, 43436156), (68, 22356845), (70, 21718078), (85, 17885476), (119, 12775340), (140, 10859039), (170, 8942738), (238, 6387670), (340, 4471369), (476, 3193835), (595, 2555068), (1190, 1277534), (2380, 638767)]