38845000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{457}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 96578460

約数和(自身を除く): 57733460

約数列:

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

約数ペア:

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