71378860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17581}}^1$

素因数の和:17626

約数の個数: 48

約数和(自身を含む): 177226560

約数和(自身を除く): 105847700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 17581, 35162, 70324, 87905, 123067, 175810, 246134, 351620, 492268, 509849, 615335, 1019698, 1230670, 2039396, 2461340, 2549245, 3568943, 5098490, 7137886, 10196980, 14275772, 17844715, 35689430, 71378860]

約数ペア:

[(1, 71378860), (2, 35689430), (4, 17844715), (5, 14275772), (7, 10196980), (10, 7137886), (14, 5098490), (20, 3568943), (28, 2549245), (29, 2461340), (35, 2039396), (58, 1230670), (70, 1019698), (116, 615335), (140, 509849), (145, 492268), (203, 351620), (290, 246134), (406, 175810), (580, 123067), (812, 87905), (1015, 70324), (2030, 35162), (4060, 17581)]