16600780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{419}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 40078080

約数和(自身を除く): 23477300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 419, 566, 838, 1132, 1415, 1676, 1981, 2095, 2830, 2933, 3962, 4190, 5660, 5866, 7924, 8380, 9905, 11732, 14665, 19810, 29330, 39620, 58660, 118577, 237154, 474308, 592885, 830039, 1185770, 1660078, 2371540, 3320156, 4150195, 8300390, 16600780]

約数ペア:

[(1, 16600780), (2, 8300390), (4, 4150195), (5, 3320156), (7, 2371540), (10, 1660078), (14, 1185770), (20, 830039), (28, 592885), (35, 474308), (70, 237154), (140, 118577), (283, 58660), (419, 39620), (566, 29330), (838, 19810), (1132, 14665), (1415, 11732), (1676, 9905), (1981, 8380), (2095, 7924), (2830, 5866), (2933, 5660), (3962, 4190)]