27741980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6833}}^1$

素因数の和:6878

約数の個数: 48

約数和(自身を含む): 68886720

約数和(自身を除く): 41144740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6833, 13666, 27332, 34165, 47831, 68330, 95662, 136660, 191324, 198157, 239155, 396314, 478310, 792628, 956620, 990785, 1387099, 1981570, 2774198, 3963140, 5548396, 6935495, 13870990, 27741980]

約数ペア:

[(1, 27741980), (2, 13870990), (4, 6935495), (5, 5548396), (7, 3963140), (10, 2774198), (14, 1981570), (20, 1387099), (28, 990785), (29, 956620), (35, 792628), (58, 478310), (70, 396314), (116, 239155), (140, 198157), (145, 191324), (203, 136660), (290, 95662), (406, 68330), (580, 47831), (812, 34165), (1015, 27332), (2030, 13666), (4060, 6833)]