90979960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{733}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 214034400

約数和(自身を除く): 123054440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 107, 116, 145, 214, 232, 290, 428, 535, 580, 733, 856, 1070, 1160, 1466, 2140, 2932, 3103, 3665, 4280, 5864, 6206, 7330, 12412, 14660, 15515, 21257, 24824, 29320, 31030, 42514, 62060, 78431, 85028, 106285, 124120, 156862, 170056, 212570, 313724, 392155, 425140, 627448, 784310, 850280, 1568620, 2274499, 3137240, 4548998, 9097996, 11372495, 18195992, 22744990, 45489980, 90979960]

約数ペア:

[(1, 90979960), (2, 45489980), (4, 22744990), (5, 18195992), (8, 11372495), (10, 9097996), (20, 4548998), (29, 3137240), (40, 2274499), (58, 1568620), (107, 850280), (116, 784310), (145, 627448), (214, 425140), (232, 392155), (290, 313724), (428, 212570), (535, 170056), (580, 156862), (733, 124120), (856, 106285), (1070, 85028), (1160, 78431), (1466, 62060), (2140, 42514), (2932, 31030), (3103, 29320), (3665, 24824), (4280, 21257), (5864, 15515), (6206, 14660), (7330, 12412)]