4447240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2269}}^1$

素因数の和:2294

約数の個数: 48

約数和(自身を含む): 11645100

約数和(自身を除く): 7197860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2269, 4538, 9076, 11345, 15883, 18152, 22690, 31766, 45380, 63532, 79415, 90760, 111181, 127064, 158830, 222362, 317660, 444724, 555905, 635320, 889448, 1111810, 2223620, 4447240]

約数ペア:

[(1, 4447240), (2, 2223620), (4, 1111810), (5, 889448), (7, 635320), (8, 555905), (10, 444724), (14, 317660), (20, 222362), (28, 158830), (35, 127064), (40, 111181), (49, 90760), (56, 79415), (70, 63532), (98, 45380), (140, 31766), (196, 22690), (245, 18152), (280, 15883), (392, 11345), (490, 9076), (980, 4538), (1960, 2269)]