3221900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 7968240

約数和(自身を除く): 4746340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 101, 110, 116, 145, 202, 220, 275, 290, 319, 404, 505, 550, 580, 638, 725, 1010, 1100, 1111, 1276, 1450, 1595, 2020, 2222, 2525, 2900, 2929, 3190, 4444, 5050, 5555, 5858, 6380, 7975, 10100, 11110, 11716, 14645, 15950, 22220, 27775, 29290, 31900, 32219, 55550, 58580, 64438, 73225, 111100, 128876, 146450, 161095, 292900, 322190, 644380, 805475, 1610950, 3221900]

約数ペア:

[(1, 3221900), (2, 1610950), (4, 805475), (5, 644380), (10, 322190), (11, 292900), (20, 161095), (22, 146450), (25, 128876), (29, 111100), (44, 73225), (50, 64438), (55, 58580), (58, 55550), (100, 32219), (101, 31900), (110, 29290), (116, 27775), (145, 22220), (202, 15950), (220, 14645), (275, 11716), (290, 11110), (319, 10100), (404, 7975), (505, 6380), (550, 5858), (580, 5555), (638, 5050), (725, 4444), (1010, 3190), (1100, 2929), (1111, 2900), (1276, 2525), (1450, 2222), (1595, 2020)]