281983100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3911}}^1$

素因数の和:4035

約数の個数: 72

約数和(自身を含む): 706288128

約数和(自身を除く): 424305028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 350, 412, 515, 700, 721, 1030, 1442, 2060, 2575, 2884, 3605, 3911, 5150, 7210, 7822, 10300, 14420, 15644, 18025, 19555, 27377, 36050, 39110, 54754, 72100, 78220, 97775, 109508, 136885, 195550, 273770, 391100, 402833, 547540, 684425, 805666, 1368850, 1611332, 2014165, 2737700, 2819831, 4028330, 5639662, 8056660, 10070825, 11279324, 14099155, 20141650, 28198310, 40283300, 56396620, 70495775, 140991550, 281983100]

約数ペア:

[(1, 281983100), (2, 140991550), (4, 70495775), (5, 56396620), (7, 40283300), (10, 28198310), (14, 20141650), (20, 14099155), (25, 11279324), (28, 10070825), (35, 8056660), (50, 5639662), (70, 4028330), (100, 2819831), (103, 2737700), (140, 2014165), (175, 1611332), (206, 1368850), (350, 805666), (412, 684425), (515, 547540), (700, 402833), (721, 391100), (1030, 273770), (1442, 195550), (2060, 136885), (2575, 109508), (2884, 97775), (3605, 78220), (3911, 72100), (5150, 54754), (7210, 39110), (7822, 36050), (10300, 27377), (14420, 19555), (15644, 18025)]