78662500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 131324060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 31, 35, 50, 58, 62, 70, 100, 116, 124, 125, 140, 145, 155, 175, 203, 217, 250, 290, 310, 350, 406, 434, 500, 580, 620, 625, 700, 725, 775, 812, 868, 875, 899, 1015, 1085, 1250, 1450, 1550, 1750, 1798, 2030, 2170, 2500, 2900, 3100, 3125, 3500, 3596, 3625, 3875, 4060, 4340, 4375, 4495, 5075, 5425, 6250, 6293, 7250, 7750, 8750, 8990, 10150, 10850, 12500, 12586, 14500, 15500, 17500, 17980, 18125, 19375, 20300, 21700, 21875, 22475, 25172, 25375, 27125, 31465, 36250, 38750, 43750, 44950, 50750, 54250, 62930, 72500, 77500, 87500, 89900, 90625, 96875, 101500, 108500, 112375, 125860, 126875, 135625, 157325, 181250, 193750, 224750, 253750, 271250, 314650, 362500, 387500, 449500, 507500, 542500, 561875, 629300, 634375, 678125, 786625, 1123750, 1268750, 1356250, 1573250, 2247500, 2537500, 2712500, 2809375, 3146500, 3933125, 5618750, 7866250, 11237500, 15732500, 19665625, 39331250, 78662500]

約数ペア:

[(1, 78662500), (2, 39331250), (4, 19665625), (5, 15732500), (7, 11237500), (10, 7866250), (14, 5618750), (20, 3933125), (25, 3146500), (28, 2809375), (29, 2712500), (31, 2537500), (35, 2247500), (50, 1573250), (58, 1356250), (62, 1268750), (70, 1123750), (100, 786625), (116, 678125), (124, 634375), (125, 629300), (140, 561875), (145, 542500), (155, 507500), (175, 449500), (203, 387500), (217, 362500), (250, 314650), (290, 271250), (310, 253750), (350, 224750), (406, 193750), (434, 181250), (500, 157325), (580, 135625), (620, 126875), (625, 125860), (700, 112375), (725, 108500), (775, 101500), (812, 96875), (868, 90625), (875, 89900), (899, 87500), (1015, 77500), (1085, 72500), (1250, 62930), (1450, 54250), (1550, 50750), (1750, 44950), (1798, 43750), (2030, 38750), (2170, 36250), (2500, 31465), (2900, 27125), (3100, 25375), (3125, 25172), (3500, 22475), (3596, 21875), (3625, 21700), (3875, 20300), (4060, 19375), (4340, 18125), (4375, 17980), (4495, 17500), (5075, 15500), (5425, 14500), (6250, 12586), (6293, 12500), (7250, 10850), (7750, 10150), (8750, 8990)]