42000830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 79920000

約数和(自身を除く): 37919170

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 443, 499, 886, 998, 2215, 2495, 4430, 4990, 8417, 9481, 16834, 18962, 42085, 47405, 84170, 94810, 221057, 442114, 1105285, 2210570, 4200083, 8400166, 21000415, 42000830]

約数ペア:

[(1, 42000830), (2, 21000415), (5, 8400166), (10, 4200083), (19, 2210570), (38, 1105285), (95, 442114), (190, 221057), (443, 94810), (499, 84170), (886, 47405), (998, 42085), (2215, 18962), (2495, 16834), (4430, 9481), (4990, 8417)]