217740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 645120

約数和(自身を除く): 427380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 191, 228, 285, 380, 382, 570, 573, 764, 955, 1140, 1146, 1910, 2292, 2865, 3629, 3820, 5730, 7258, 10887, 11460, 14516, 18145, 21774, 36290, 43548, 54435, 72580, 108870, 217740]

約数ペア:

[(1, 217740), (2, 108870), (3, 72580), (4, 54435), (5, 43548), (6, 36290), (10, 21774), (12, 18145), (15, 14516), (19, 11460), (20, 10887), (30, 7258), (38, 5730), (57, 3820), (60, 3629), (76, 2865), (95, 2292), (114, 1910), (190, 1146), (191, 1140), (228, 955), (285, 764), (380, 573), (382, 570)]