218698760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{111581}}^1$

素因数の和:111606

約数の個数: 48

約数和(自身を含む): 572415660

約数和(自身を除く): 353716900

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, 111581, 223162, 446324, 557905, 781067, 892648, 1115810, 1562134, 2231620, 3124268, 3905335, 4463240, 5467469, 6248536, 7810670, 10934938, 15621340, 21869876, 27337345, 31242680, 43739752, 54674690, 109349380, 218698760]

約数ペア:

[(1, 218698760), (2, 109349380), (4, 54674690), (5, 43739752), (7, 31242680), (8, 27337345), (10, 21869876), (14, 15621340), (20, 10934938), (28, 7810670), (35, 6248536), (40, 5467469), (49, 4463240), (56, 3905335), (70, 3124268), (98, 2231620), (140, 1562134), (196, 1115810), (245, 892648), (280, 781067), (392, 557905), (490, 446324), (980, 223162), (1960, 111581)]