407740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 957600

約数和(自身を除く): 549860

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 37, 38, 58, 74, 76, 95, 116, 145, 148, 185, 190, 290, 370, 380, 551, 580, 703, 740, 1073, 1102, 1406, 2146, 2204, 2755, 2812, 3515, 4292, 5365, 5510, 7030, 10730, 11020, 14060, 20387, 21460, 40774, 81548, 101935, 203870, 407740]

約数ペア:

[(1, 407740), (2, 203870), (4, 101935), (5, 81548), (10, 40774), (19, 21460), (20, 20387), (29, 14060), (37, 11020), (38, 10730), (58, 7030), (74, 5510), (76, 5365), (95, 4292), (116, 3515), (145, 2812), (148, 2755), (185, 2204), (190, 2146), (290, 1406), (370, 1102), (380, 1073), (551, 740), (580, 703)]