28751240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{14669}}^1$

素因数の和:14694

約数の個数: 48

約数和(自身を含む): 75257100

約数和(自身を除く): 46505860

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, 14669, 29338, 58676, 73345, 102683, 117352, 146690, 205366, 293380, 410732, 513415, 586760, 718781, 821464, 1026830, 1437562, 2053660, 2875124, 3593905, 4107320, 5750248, 7187810, 14375620, 28751240]

約数ペア:

[(1, 28751240), (2, 14375620), (4, 7187810), (5, 5750248), (7, 4107320), (8, 3593905), (10, 2875124), (14, 2053660), (20, 1437562), (28, 1026830), (35, 821464), (40, 718781), (49, 586760), (56, 513415), (70, 410732), (98, 293380), (140, 205366), (196, 146690), (245, 117352), (280, 102683), (392, 73345), (490, 58676), (980, 29338), (1960, 14669)]