289951280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{124979}}^1$

素因数の和:125021

約数の個数: 40

約数和(自身を含む): 697388400

約数和(自身を除く): 407437120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 124979, 249958, 499916, 624895, 999832, 1249790, 1999664, 2499580, 3624391, 4999160, 7248782, 9998320, 14497564, 18121955, 28995128, 36243910, 57990256, 72487820, 144975640, 289951280]

約数ペア:

[(1, 289951280), (2, 144975640), (4, 72487820), (5, 57990256), (8, 36243910), (10, 28995128), (16, 18121955), (20, 14497564), (29, 9998320), (40, 7248782), (58, 4999160), (80, 3624391), (116, 2499580), (145, 1999664), (232, 1249790), (290, 999832), (464, 624895), (580, 499916), (1160, 249958), (2320, 124979)]