1230687500

素因数分解:

$2^2\times 5^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 168

約数和(自身を含む): 3215583840

約数和(自身を除く): 1984896340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 97, 100, 116, 125, 140, 145, 175, 194, 203, 250, 290, 350, 388, 406, 485, 500, 580, 625, 679, 700, 725, 812, 875, 970, 1015, 1250, 1358, 1450, 1750, 1940, 2030, 2425, 2500, 2716, 2813, 2900, 3125, 3395, 3500, 3625, 4060, 4375, 4850, 5075, 5626, 6250, 6790, 7250, 8750, 9700, 10150, 11252, 12125, 12500, 13580, 14065, 14500, 15625, 16975, 17500, 18125, 19691, 20300, 21875, 24250, 25375, 28130, 31250, 33950, 36250, 39382, 43750, 48500, 50750, 56260, 60625, 62500, 67900, 70325, 72500, 78764, 84875, 87500, 90625, 98455, 101500, 109375, 121250, 126875, 140650, 169750, 181250, 196910, 218750, 242500, 253750, 281300, 303125, 339500, 351625, 362500, 393820, 424375, 437500, 453125, 492275, 507500, 606250, 634375, 703250, 848750, 906250, 984550, 1212500, 1268750, 1406500, 1515625, 1697500, 1758125, 1812500, 1969100, 2121875, 2461375, 2537500, 3031250, 3171875, 3516250, 4243750, 4922750, 6062500, 6343750, 7032500, 8487500, 8790625, 9845500, 10609375, 12306875, 12687500, 17581250, 21218750, 24613750, 35162500, 42437500, 43953125, 49227500, 61534375, 87906250, 123068750, 175812500, 246137500, 307671875, 615343750, 1230687500]

約数ペア:

[(1, 1230687500), (2, 615343750), (4, 307671875), (5, 246137500), (7, 175812500), (10, 123068750), (14, 87906250), (20, 61534375), (25, 49227500), (28, 43953125), (29, 42437500), (35, 35162500), (50, 24613750), (58, 21218750), (70, 17581250), (97, 12687500), (100, 12306875), (116, 10609375), (125, 9845500), (140, 8790625), (145, 8487500), (175, 7032500), (194, 6343750), (203, 6062500), (250, 4922750), (290, 4243750), (350, 3516250), (388, 3171875), (406, 3031250), (485, 2537500), (500, 2461375), (580, 2121875), (625, 1969100), (679, 1812500), (700, 1758125), (725, 1697500), (812, 1515625), (875, 1406500), (970, 1268750), (1015, 1212500), (1250, 984550), (1358, 906250), (1450, 848750), (1750, 703250), (1940, 634375), (2030, 606250), (2425, 507500), (2500, 492275), (2716, 453125), (2813, 437500), (2900, 424375), (3125, 393820), (3395, 362500), (3500, 351625), (3625, 339500), (4060, 303125), (4375, 281300), (4850, 253750), (5075, 242500), (5626, 218750), (6250, 196910), (6790, 181250), (7250, 169750), (8750, 140650), (9700, 126875), (10150, 121250), (11252, 109375), (12125, 101500), (12500, 98455), (13580, 90625), (14065, 87500), (14500, 84875), (15625, 78764), (16975, 72500), (17500, 70325), (18125, 67900), (19691, 62500), (20300, 60625), (21875, 56260), (24250, 50750), (25375, 48500), (28130, 43750), (31250, 39382), (33950, 36250)]