238157500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 615802880

約数和(自身を除く): 377645380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 125, 140, 155, 175, 217, 250, 310, 350, 434, 439, 500, 620, 625, 700, 775, 868, 875, 878, 1085, 1250, 1550, 1750, 1756, 2170, 2195, 2500, 3073, 3100, 3500, 3875, 4340, 4375, 4390, 5425, 6146, 7750, 8750, 8780, 10850, 10975, 12292, 13609, 15365, 15500, 17500, 19375, 21700, 21950, 27125, 27218, 30730, 38750, 43900, 54250, 54436, 54875, 61460, 68045, 76825, 77500, 95263, 108500, 109750, 135625, 136090, 153650, 190526, 219500, 271250, 272180, 274375, 307300, 340225, 381052, 384125, 476315, 542500, 548750, 680450, 768250, 952630, 1097500, 1360900, 1536500, 1701125, 1905260, 1920625, 2381575, 3402250, 3841250, 4763150, 6804500, 7682500, 8505625, 9526300, 11907875, 17011250, 23815750, 34022500, 47631500, 59539375, 119078750, 238157500]

約数ペア:

[(1, 238157500), (2, 119078750), (4, 59539375), (5, 47631500), (7, 34022500), (10, 23815750), (14, 17011250), (20, 11907875), (25, 9526300), (28, 8505625), (31, 7682500), (35, 6804500), (50, 4763150), (62, 3841250), (70, 3402250), (100, 2381575), (124, 1920625), (125, 1905260), (140, 1701125), (155, 1536500), (175, 1360900), (217, 1097500), (250, 952630), (310, 768250), (350, 680450), (434, 548750), (439, 542500), (500, 476315), (620, 384125), (625, 381052), (700, 340225), (775, 307300), (868, 274375), (875, 272180), (878, 271250), (1085, 219500), (1250, 190526), (1550, 153650), (1750, 136090), (1756, 135625), (2170, 109750), (2195, 108500), (2500, 95263), (3073, 77500), (3100, 76825), (3500, 68045), (3875, 61460), (4340, 54875), (4375, 54436), (4390, 54250), (5425, 43900), (6146, 38750), (7750, 30730), (8750, 27218), (8780, 27125), (10850, 21950), (10975, 21700), (12292, 19375), (13609, 17500), (15365, 15500)]