4400780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 10022880

約数和(自身を除く): 5622100

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 313, 370, 380, 626, 703, 740, 1252, 1406, 1565, 2812, 3130, 3515, 5947, 6260, 7030, 11581, 11894, 14060, 23162, 23788, 29735, 46324, 57905, 59470, 115810, 118940, 220039, 231620, 440078, 880156, 1100195, 2200390, 4400780]

約数ペア:

[(1, 4400780), (2, 2200390), (4, 1100195), (5, 880156), (10, 440078), (19, 231620), (20, 220039), (37, 118940), (38, 115810), (74, 59470), (76, 57905), (95, 46324), (148, 29735), (185, 23788), (190, 23162), (313, 14060), (370, 11894), (380, 11581), (626, 7030), (703, 6260), (740, 5947), (1252, 3515), (1406, 3130), (1565, 2812)]