77800250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 167356800

約数和(自身を除く): 89556550

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 125, 190, 209, 250, 275, 418, 475, 550, 950, 1045, 1375, 1489, 2090, 2375, 2750, 2978, 4750, 5225, 7445, 10450, 14890, 16379, 26125, 28291, 32758, 37225, 52250, 56582, 74450, 81895, 141455, 163790, 186125, 282910, 311201, 372250, 409475, 622402, 707275, 818950, 1414550, 1556005, 2047375, 3112010, 3536375, 4094750, 7072750, 7780025, 15560050, 38900125, 77800250]

約数ペア:

[(1, 77800250), (2, 38900125), (5, 15560050), (10, 7780025), (11, 7072750), (19, 4094750), (22, 3536375), (25, 3112010), (38, 2047375), (50, 1556005), (55, 1414550), (95, 818950), (110, 707275), (125, 622402), (190, 409475), (209, 372250), (250, 311201), (275, 282910), (418, 186125), (475, 163790), (550, 141455), (950, 81895), (1045, 74450), (1375, 56582), (1489, 52250), (2090, 37225), (2375, 32758), (2750, 28291), (2978, 26125), (4750, 16379), (5225, 14890), (7445, 10450)]