2865500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{521}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 6840288

約数和(自身を除く): 3974788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 521, 550, 1042, 1100, 1375, 2084, 2605, 2750, 5210, 5500, 5731, 10420, 11462, 13025, 22924, 26050, 28655, 52100, 57310, 65125, 114620, 130250, 143275, 260500, 286550, 573100, 716375, 1432750, 2865500]

約数ペア:

[(1, 2865500), (2, 1432750), (4, 716375), (5, 573100), (10, 286550), (11, 260500), (20, 143275), (22, 130250), (25, 114620), (44, 65125), (50, 57310), (55, 52100), (100, 28655), (110, 26050), (125, 22924), (220, 13025), (250, 11462), (275, 10420), (500, 5731), (521, 5500), (550, 5210), (1042, 2750), (1100, 2605), (1375, 2084)]