11945140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 26127360

約数和(自身を除く): 14182220

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 191, 212, 236, 265, 295, 382, 530, 590, 764, 955, 1060, 1180, 1910, 3127, 3820, 6254, 10123, 11269, 12508, 15635, 20246, 22538, 31270, 40492, 45076, 50615, 56345, 62540, 101230, 112690, 202460, 225380, 597257, 1194514, 2389028, 2986285, 5972570, 11945140]

約数ペア:

[(1, 11945140), (2, 5972570), (4, 2986285), (5, 2389028), (10, 1194514), (20, 597257), (53, 225380), (59, 202460), (106, 112690), (118, 101230), (191, 62540), (212, 56345), (236, 50615), (265, 45076), (295, 40492), (382, 31270), (530, 22538), (590, 20246), (764, 15635), (955, 12508), (1060, 11269), (1180, 10123), (1910, 6254), (3127, 3820)]