213613850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 408288600

約数和(自身を除く): 194674750

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 149, 265, 298, 530, 541, 745, 1082, 1325, 1490, 2650, 2705, 3725, 5410, 7450, 7897, 13525, 15794, 27050, 28673, 39485, 57346, 78970, 80609, 143365, 161218, 197425, 286730, 394850, 403045, 716825, 806090, 1433650, 2015225, 4030450, 4272277, 8544554, 21361385, 42722770, 106806925, 213613850]

約数ペア:

[(1, 213613850), (2, 106806925), (5, 42722770), (10, 21361385), (25, 8544554), (50, 4272277), (53, 4030450), (106, 2015225), (149, 1433650), (265, 806090), (298, 716825), (530, 403045), (541, 394850), (745, 286730), (1082, 197425), (1325, 161218), (1490, 143365), (2650, 80609), (2705, 78970), (3725, 57346), (5410, 39485), (7450, 28673), (7897, 27050), (13525, 15794)]