2257000

素因数分解:

$2^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 64

約数和(自身を含む): 5513040

約数和(自身を除く): 3256040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 61, 74, 100, 122, 125, 148, 185, 200, 244, 250, 296, 305, 370, 488, 500, 610, 740, 925, 1000, 1220, 1480, 1525, 1850, 2257, 2440, 3050, 3700, 4514, 4625, 6100, 7400, 7625, 9028, 9250, 11285, 12200, 15250, 18056, 18500, 22570, 30500, 37000, 45140, 56425, 61000, 90280, 112850, 225700, 282125, 451400, 564250, 1128500, 2257000]

約数ペア:

[(1, 2257000), (2, 1128500), (4, 564250), (5, 451400), (8, 282125), (10, 225700), (20, 112850), (25, 90280), (37, 61000), (40, 56425), (50, 45140), (61, 37000), (74, 30500), (100, 22570), (122, 18500), (125, 18056), (148, 15250), (185, 12200), (200, 11285), (244, 9250), (250, 9028), (296, 7625), (305, 7400), (370, 6100), (488, 4625), (500, 4514), (610, 3700), (740, 3050), (925, 2440), (1000, 2257), (1220, 1850), (1480, 1525)]