290250

素因数分解:

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

素因数の和:69

約数の個数: 64

約数和(自身を含む): 823680

約数和(自身を除く): 533430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 43, 45, 50, 54, 75, 86, 90, 125, 129, 135, 150, 215, 225, 250, 258, 270, 375, 387, 430, 450, 645, 675, 750, 774, 1075, 1125, 1161, 1290, 1350, 1935, 2150, 2250, 2322, 3225, 3375, 3870, 5375, 5805, 6450, 6750, 9675, 10750, 11610, 16125, 19350, 29025, 32250, 48375, 58050, 96750, 145125, 290250]

約数ペア:

[(1, 290250), (2, 145125), (3, 96750), (5, 58050), (6, 48375), (9, 32250), (10, 29025), (15, 19350), (18, 16125), (25, 11610), (27, 10750), (30, 9675), (43, 6750), (45, 6450), (50, 5805), (54, 5375), (75, 3870), (86, 3375), (90, 3225), (125, 2322), (129, 2250), (135, 2150), (150, 1935), (215, 1350), (225, 1290), (250, 1161), (258, 1125), (270, 1075), (375, 774), (387, 750), (430, 675), (450, 645)]