74812500

素因数分解:

$2^2\times 3^2\times 5^6\times 7^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 252

約数和(自身を含む): 284371360

約数和(自身を除く): 209558860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 125, 126, 133, 140, 150, 171, 175, 180, 190, 210, 225, 228, 250, 252, 266, 285, 300, 315, 342, 350, 375, 380, 399, 420, 450, 475, 500, 525, 532, 570, 625, 630, 665, 684, 700, 750, 798, 855, 875, 900, 950, 1050, 1125, 1140, 1197, 1250, 1260, 1330, 1425, 1500, 1575, 1596, 1710, 1750, 1875, 1900, 1995, 2100, 2250, 2375, 2394, 2500, 2625, 2660, 2850, 3125, 3150, 3325, 3420, 3500, 3750, 3990, 4275, 4375, 4500, 4750, 4788, 5250, 5625, 5700, 5985, 6250, 6300, 6650, 7125, 7500, 7875, 7980, 8550, 8750, 9375, 9500, 9975, 10500, 11250, 11875, 11970, 12500, 13125, 13300, 14250, 15625, 15750, 16625, 17100, 17500, 18750, 19950, 21375, 21875, 22500, 23750, 23940, 26250, 28125, 28500, 29925, 31250, 31500, 33250, 35625, 37500, 39375, 39900, 42750, 43750, 46875, 47500, 49875, 52500, 56250, 59375, 59850, 62500, 65625, 66500, 71250, 78750, 83125, 85500, 87500, 93750, 99750, 106875, 109375, 112500, 118750, 119700, 131250, 140625, 142500, 149625, 157500, 166250, 178125, 187500, 196875, 199500, 213750, 218750, 237500, 249375, 262500, 281250, 296875, 299250, 328125, 332500, 356250, 393750, 415625, 427500, 437500, 498750, 534375, 562500, 593750, 598500, 656250, 712500, 748125, 787500, 831250, 890625, 984375, 997500, 1068750, 1187500, 1246875, 1312500, 1496250, 1662500, 1781250, 1968750, 2078125, 2137500, 2493750, 2671875, 2992500, 3562500, 3740625, 3937500, 4156250, 4987500, 5343750, 6234375, 7481250, 8312500, 10687500, 12468750, 14962500, 18703125, 24937500, 37406250, 74812500]

約数ペア:

[(1, 74812500), (2, 37406250), (3, 24937500), (4, 18703125), (5, 14962500), (6, 12468750), (7, 10687500), (9, 8312500), (10, 7481250), (12, 6234375), (14, 5343750), (15, 4987500), (18, 4156250), (19, 3937500), (20, 3740625), (21, 3562500), (25, 2992500), (28, 2671875), (30, 2493750), (35, 2137500), (36, 2078125), (38, 1968750), (42, 1781250), (45, 1662500), (50, 1496250), (57, 1312500), (60, 1246875), (63, 1187500), (70, 1068750), (75, 997500), (76, 984375), (84, 890625), (90, 831250), (95, 787500), (100, 748125), (105, 712500), (114, 656250), (125, 598500), (126, 593750), (133, 562500), (140, 534375), (150, 498750), (171, 437500), (175, 427500), (180, 415625), (190, 393750), (210, 356250), (225, 332500), (228, 328125), (250, 299250), (252, 296875), (266, 281250), (285, 262500), (300, 249375), (315, 237500), (342, 218750), (350, 213750), (375, 199500), (380, 196875), (399, 187500), (420, 178125), (450, 166250), (475, 157500), (500, 149625), (525, 142500), (532, 140625), (570, 131250), (625, 119700), (630, 118750), (665, 112500), (684, 109375), (700, 106875), (750, 99750), (798, 93750), (855, 87500), (875, 85500), (900, 83125), (950, 78750), (1050, 71250), (1125, 66500), (1140, 65625), (1197, 62500), (1250, 59850), (1260, 59375), (1330, 56250), (1425, 52500), (1500, 49875), (1575, 47500), (1596, 46875), (1710, 43750), (1750, 42750), (1875, 39900), (1900, 39375), (1995, 37500), (2100, 35625), (2250, 33250), (2375, 31500), (2394, 31250), (2500, 29925), (2625, 28500), (2660, 28125), (2850, 26250), (3125, 23940), (3150, 23750), (3325, 22500), (3420, 21875), (3500, 21375), (3750, 19950), (3990, 18750), (4275, 17500), (4375, 17100), (4500, 16625), (4750, 15750), (4788, 15625), (5250, 14250), (5625, 13300), (5700, 13125), (5985, 12500), (6250, 11970), (6300, 11875), (6650, 11250), (7125, 10500), (7500, 9975), (7875, 9500), (7980, 9375), (8550, 8750)]