19601470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 41532480

約数和(自身を除く): 21931010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 109, 218, 245, 367, 490, 545, 734, 763, 1090, 1526, 1835, 2569, 3670, 3815, 5138, 5341, 7630, 10682, 12845, 17983, 25690, 26705, 35966, 40003, 53410, 80006, 89915, 179830, 200015, 280021, 400030, 560042, 1400105, 1960147, 2800210, 3920294, 9800735, 19601470]

約数ペア:

[(1, 19601470), (2, 9800735), (5, 3920294), (7, 2800210), (10, 1960147), (14, 1400105), (35, 560042), (49, 400030), (70, 280021), (98, 200015), (109, 179830), (218, 89915), (245, 80006), (367, 53410), (490, 40003), (545, 35966), (734, 26705), (763, 25690), (1090, 17983), (1526, 12845), (1835, 10682), (2569, 7630), (3670, 5341), (3815, 5138)]