2783750000

素因数分解:

$2^4\times 5^7\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 7192950336

約数和(自身を除く): 4409200336

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 131, 136, 170, 200, 250, 262, 272, 340, 400, 425, 500, 524, 625, 655, 680, 850, 1000, 1048, 1250, 1310, 1360, 1700, 2000, 2096, 2125, 2227, 2500, 2620, 3125, 3275, 3400, 4250, 4454, 5000, 5240, 6250, 6550, 6800, 8500, 8908, 10000, 10480, 10625, 11135, 12500, 13100, 15625, 16375, 17000, 17816, 21250, 22270, 25000, 26200, 31250, 32750, 34000, 35632, 42500, 44540, 50000, 52400, 53125, 55675, 62500, 65500, 78125, 81875, 85000, 89080, 106250, 111350, 125000, 131000, 156250, 163750, 170000, 178160, 212500, 222700, 250000, 262000, 265625, 278375, 312500, 327500, 409375, 425000, 445400, 531250, 556750, 625000, 655000, 818750, 850000, 890800, 1062500, 1113500, 1250000, 1310000, 1328125, 1391875, 1637500, 2046875, 2125000, 2227000, 2656250, 2783750, 3275000, 4093750, 4250000, 4454000, 5312500, 5567500, 6550000, 6959375, 8187500, 10234375, 10625000, 11135000, 13918750, 16375000, 20468750, 21250000, 22270000, 27837500, 32750000, 34796875, 40937500, 55675000, 69593750, 81875000, 111350000, 139187500, 163750000, 173984375, 278375000, 347968750, 556750000, 695937500, 1391875000, 2783750000]

約数ペア:

[(1, 2783750000), (2, 1391875000), (4, 695937500), (5, 556750000), (8, 347968750), (10, 278375000), (16, 173984375), (17, 163750000), (20, 139187500), (25, 111350000), (34, 81875000), (40, 69593750), (50, 55675000), (68, 40937500), (80, 34796875), (85, 32750000), (100, 27837500), (125, 22270000), (131, 21250000), (136, 20468750), (170, 16375000), (200, 13918750), (250, 11135000), (262, 10625000), (272, 10234375), (340, 8187500), (400, 6959375), (425, 6550000), (500, 5567500), (524, 5312500), (625, 4454000), (655, 4250000), (680, 4093750), (850, 3275000), (1000, 2783750), (1048, 2656250), (1250, 2227000), (1310, 2125000), (1360, 2046875), (1700, 1637500), (2000, 1391875), (2096, 1328125), (2125, 1310000), (2227, 1250000), (2500, 1113500), (2620, 1062500), (3125, 890800), (3275, 850000), (3400, 818750), (4250, 655000), (4454, 625000), (5000, 556750), (5240, 531250), (6250, 445400), (6550, 425000), (6800, 409375), (8500, 327500), (8908, 312500), (10000, 278375), (10480, 265625), (10625, 262000), (11135, 250000), (12500, 222700), (13100, 212500), (15625, 178160), (16375, 170000), (17000, 163750), (17816, 156250), (21250, 131000), (22270, 125000), (25000, 111350), (26200, 106250), (31250, 89080), (32750, 85000), (34000, 81875), (35632, 78125), (42500, 65500), (44540, 62500), (50000, 55675), (52400, 53125)]