213432940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{5387}}^1$

素因数の和:5686

約数の個数: 48

約数和(自身を含む): 514144512

約数和(自身を除く): 300711572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1415, 1981, 2830, 3962, 5387, 5660, 7924, 9905, 10774, 19810, 21548, 26935, 37709, 39620, 53870, 75418, 107740, 150836, 188545, 377090, 754180, 1524521, 3049042, 6098084, 7622605, 10671647, 15245210, 21343294, 30490420, 42686588, 53358235, 106716470, 213432940]

約数ペア:

[(1, 213432940), (2, 106716470), (4, 53358235), (5, 42686588), (7, 30490420), (10, 21343294), (14, 15245210), (20, 10671647), (28, 7622605), (35, 6098084), (70, 3049042), (140, 1524521), (283, 754180), (566, 377090), (1132, 188545), (1415, 150836), (1981, 107740), (2830, 75418), (3962, 53870), (5387, 39620), (5660, 37709), (7924, 26935), (9905, 21548), (10774, 19810)]