720940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 1723680

約数和(自身を除く): 1002740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 113, 116, 145, 220, 226, 290, 319, 452, 565, 580, 638, 1130, 1243, 1276, 1595, 2260, 2486, 3190, 3277, 4972, 6215, 6380, 6554, 12430, 13108, 16385, 24860, 32770, 36047, 65540, 72094, 144188, 180235, 360470, 720940]

約数ペア:

[(1, 720940), (2, 360470), (4, 180235), (5, 144188), (10, 72094), (11, 65540), (20, 36047), (22, 32770), (29, 24860), (44, 16385), (55, 13108), (58, 12430), (110, 6554), (113, 6380), (116, 6215), (145, 4972), (220, 3277), (226, 3190), (290, 2486), (319, 2260), (452, 1595), (565, 1276), (580, 1243), (638, 1130)]