2939910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 7359984

約数和(自身を除く): 4420074

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 53, 86, 106, 129, 159, 215, 258, 265, 318, 430, 530, 645, 795, 1290, 1590, 1849, 2279, 3698, 4558, 5547, 6837, 9245, 11094, 11395, 13674, 18490, 22790, 27735, 34185, 55470, 68370, 97997, 195994, 293991, 489985, 587982, 979970, 1469955, 2939910]

約数ペア:

[(1, 2939910), (2, 1469955), (3, 979970), (5, 587982), (6, 489985), (10, 293991), (15, 195994), (30, 97997), (43, 68370), (53, 55470), (86, 34185), (106, 27735), (129, 22790), (159, 18490), (215, 13674), (258, 11395), (265, 11094), (318, 9245), (430, 6837), (530, 5547), (645, 4558), (795, 3698), (1290, 2279), (1590, 1849)]