1429640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 3257280

約数和(自身を除く): 1827640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 347, 412, 515, 694, 824, 1030, 1388, 1735, 2060, 2776, 3470, 4120, 6940, 13880, 35741, 71482, 142964, 178705, 285928, 357410, 714820, 1429640]

約数ペア:

[(1, 1429640), (2, 714820), (4, 357410), (5, 285928), (8, 178705), (10, 142964), (20, 71482), (40, 35741), (103, 13880), (206, 6940), (347, 4120), (412, 3470), (515, 2776), (694, 2060), (824, 1735), (1030, 1388)]