40119730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 48

約数和(自身を含む): 86097816

約数和(自身を除く): 45978086

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1435, 1997, 2009, 2870, 3994, 4018, 9985, 10045, 13979, 19970, 20090, 27958, 69895, 81877, 97853, 139790, 163754, 195706, 409385, 489265, 573139, 818770, 978530, 1146278, 2865695, 4011973, 5731390, 8023946, 20059865, 40119730]

約数ペア:

[(1, 40119730), (2, 20059865), (5, 8023946), (7, 5731390), (10, 4011973), (14, 2865695), (35, 1146278), (41, 978530), (49, 818770), (70, 573139), (82, 489265), (98, 409385), (205, 195706), (245, 163754), (287, 139790), (410, 97853), (490, 81877), (574, 69895), (1435, 27958), (1997, 20090), (2009, 19970), (2870, 13979), (3994, 10045), (4018, 9985)]