2479180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 5806080

約数和(自身を除く): 3326900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 191, 220, 236, 295, 382, 590, 649, 764, 955, 1180, 1298, 1910, 2101, 2596, 3245, 3820, 4202, 6490, 8404, 10505, 11269, 12980, 21010, 22538, 42020, 45076, 56345, 112690, 123959, 225380, 247918, 495836, 619795, 1239590, 2479180]

約数ペア:

[(1, 2479180), (2, 1239590), (4, 619795), (5, 495836), (10, 247918), (11, 225380), (20, 123959), (22, 112690), (44, 56345), (55, 45076), (59, 42020), (110, 22538), (118, 21010), (191, 12980), (220, 11269), (236, 10505), (295, 8404), (382, 6490), (590, 4202), (649, 3820), (764, 3245), (955, 2596), (1180, 2101), (1298, 1910)]