71389487920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{206519}}^1$

素因数の和:206710

約数の個数: 80

約数和(自身を含む): 172857240000

約数和(自身を除く): 101467752080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 149, 232, 290, 298, 464, 580, 596, 745, 1160, 1192, 1490, 2320, 2384, 2980, 4321, 5960, 8642, 11920, 17284, 21605, 34568, 43210, 69136, 86420, 172840, 206519, 345680, 413038, 826076, 1032595, 1652152, 2065190, 3304304, 4130380, 5989051, 8260760, 11978102, 16521520, 23956204, 29945255, 30771331, 47912408, 59890510, 61542662, 95824816, 119781020, 123085324, 153856655, 239562040, 246170648, 307713310, 479124080, 492341296, 615426620, 892368599, 1230853240, 1784737198, 2461706480, 3569474396, 4461842995, 7138948792, 8923685990, 14277897584, 17847371980, 35694743960, 71389487920]

約数ペア:

[(1, 71389487920), (2, 35694743960), (4, 17847371980), (5, 14277897584), (8, 8923685990), (10, 7138948792), (16, 4461842995), (20, 3569474396), (29, 2461706480), (40, 1784737198), (58, 1230853240), (80, 892368599), (116, 615426620), (145, 492341296), (149, 479124080), (232, 307713310), (290, 246170648), (298, 239562040), (464, 153856655), (580, 123085324), (596, 119781020), (745, 95824816), (1160, 61542662), (1192, 59890510), (1490, 47912408), (2320, 30771331), (2384, 29945255), (2980, 23956204), (4321, 16521520), (5960, 11978102), (8642, 8260760), (11920, 5989051), (17284, 4130380), (21605, 3304304), (34568, 2065190), (43210, 1652152), (69136, 1032595), (86420, 826076), (172840, 413038), (206519, 345680)]