77690000

素因数分解:

$2^4\times 5^4\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:502

約数の個数: 100

約数和(自身を含む): 199595484

約数和(自身を除く): 121905484

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 457, 500, 625, 680, 850, 914, 1000, 1250, 1360, 1700, 1828, 2000, 2125, 2285, 2500, 3400, 3656, 4250, 4570, 5000, 6800, 7312, 7769, 8500, 9140, 10000, 10625, 11425, 15538, 17000, 18280, 21250, 22850, 31076, 34000, 36560, 38845, 42500, 45700, 57125, 62152, 77690, 85000, 91400, 114250, 124304, 155380, 170000, 182800, 194225, 228500, 285625, 310760, 388450, 457000, 571250, 621520, 776900, 914000, 971125, 1142500, 1553800, 1942250, 2285000, 3107600, 3884500, 4570000, 4855625, 7769000, 9711250, 15538000, 19422500, 38845000, 77690000]

約数ペア:

[(1, 77690000), (2, 38845000), (4, 19422500), (5, 15538000), (8, 9711250), (10, 7769000), (16, 4855625), (17, 4570000), (20, 3884500), (25, 3107600), (34, 2285000), (40, 1942250), (50, 1553800), (68, 1142500), (80, 971125), (85, 914000), (100, 776900), (125, 621520), (136, 571250), (170, 457000), (200, 388450), (250, 310760), (272, 285625), (340, 228500), (400, 194225), (425, 182800), (457, 170000), (500, 155380), (625, 124304), (680, 114250), (850, 91400), (914, 85000), (1000, 77690), (1250, 62152), (1360, 57125), (1700, 45700), (1828, 42500), (2000, 38845), (2125, 36560), (2285, 34000), (2500, 31076), (3400, 22850), (3656, 21250), (4250, 18280), (4570, 17000), (5000, 15538), (6800, 11425), (7312, 10625), (7769, 10000), (8500, 9140)]