2788409840

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1\times {\mathrm{1049}}^1$

素因数の和:1434

約数の個数: 80

約数和(自身を含む): 6562080000

約数和(自身を除く): 3773670160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 223, 298, 446, 596, 745, 892, 1049, 1115, 1192, 1490, 1784, 2098, 2230, 2384, 2980, 3568, 4196, 4460, 5245, 5960, 8392, 8920, 10490, 11920, 16784, 17840, 20980, 33227, 41960, 66454, 83920, 132908, 156301, 166135, 233927, 265816, 312602, 332270, 467854, 531632, 625204, 664540, 781505, 935708, 1169635, 1250408, 1329080, 1563010, 1871416, 2339270, 2500816, 2658160, 3126020, 3742832, 4678540, 6252040, 9357080, 12504080, 18714160, 34855123, 69710246, 139420492, 174275615, 278840984, 348551230, 557681968, 697102460, 1394204920, 2788409840]

約数ペア:

[(1, 2788409840), (2, 1394204920), (4, 697102460), (5, 557681968), (8, 348551230), (10, 278840984), (16, 174275615), (20, 139420492), (40, 69710246), (80, 34855123), (149, 18714160), (223, 12504080), (298, 9357080), (446, 6252040), (596, 4678540), (745, 3742832), (892, 3126020), (1049, 2658160), (1115, 2500816), (1192, 2339270), (1490, 1871416), (1784, 1563010), (2098, 1329080), (2230, 1250408), (2384, 1169635), (2980, 935708), (3568, 781505), (4196, 664540), (4460, 625204), (5245, 531632), (5960, 467854), (8392, 332270), (8920, 312602), (10490, 265816), (11920, 233927), (16784, 166135), (17840, 156301), (20980, 132908), (33227, 83920), (41960, 66454)]