25443740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{3709}}^1$

素因数の和:3739

約数の個数: 48

約数和(自身を含む): 62328000

約数和(自身を除く): 36884260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 3709, 6860, 7418, 14836, 18545, 25963, 37090, 51926, 74180, 103852, 129815, 181741, 259630, 363482, 519260, 726964, 908705, 1272187, 1817410, 2544374, 3634820, 5088748, 6360935, 12721870, 25443740]

約数ペア:

[(1, 25443740), (2, 12721870), (4, 6360935), (5, 5088748), (7, 3634820), (10, 2544374), (14, 1817410), (20, 1272187), (28, 908705), (35, 726964), (49, 519260), (70, 363482), (98, 259630), (140, 181741), (196, 129815), (245, 103852), (343, 74180), (490, 51926), (686, 37090), (980, 25963), (1372, 18545), (1715, 14836), (3430, 7418), (3709, 6860)]