381820000

素因数分解:

$2^5\times 5^4\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1170

約数の個数: 120

約数和(自身を含む): 995475096

約数和(自身を除く): 613655096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 160, 170, 200, 250, 272, 340, 400, 425, 500, 544, 625, 680, 800, 850, 1000, 1123, 1250, 1360, 1700, 2000, 2125, 2246, 2500, 2720, 3400, 4000, 4250, 4492, 5000, 5615, 6800, 8500, 8984, 10000, 10625, 11230, 13600, 17000, 17968, 19091, 20000, 21250, 22460, 28075, 34000, 35936, 38182, 42500, 44920, 56150, 68000, 76364, 85000, 89840, 95455, 112300, 140375, 152728, 170000, 179680, 190910, 224600, 280750, 305456, 340000, 381820, 449200, 477275, 561500, 610912, 701875, 763640, 898400, 954550, 1123000, 1403750, 1527280, 1909100, 2246000, 2386375, 2807500, 3054560, 3818200, 4492000, 4772750, 5615000, 7636400, 9545500, 11230000, 11931875, 15272800, 19091000, 22460000, 23863750, 38182000, 47727500, 76364000, 95455000, 190910000, 381820000]

約数ペア:

[(1, 381820000), (2, 190910000), (4, 95455000), (5, 76364000), (8, 47727500), (10, 38182000), (16, 23863750), (17, 22460000), (20, 19091000), (25, 15272800), (32, 11931875), (34, 11230000), (40, 9545500), (50, 7636400), (68, 5615000), (80, 4772750), (85, 4492000), (100, 3818200), (125, 3054560), (136, 2807500), (160, 2386375), (170, 2246000), (200, 1909100), (250, 1527280), (272, 1403750), (340, 1123000), (400, 954550), (425, 898400), (500, 763640), (544, 701875), (625, 610912), (680, 561500), (800, 477275), (850, 449200), (1000, 381820), (1123, 340000), (1250, 305456), (1360, 280750), (1700, 224600), (2000, 190910), (2125, 179680), (2246, 170000), (2500, 152728), (2720, 140375), (3400, 112300), (4000, 95455), (4250, 89840), (4492, 85000), (5000, 76364), (5615, 68000), (6800, 56150), (8500, 44920), (8984, 42500), (10000, 38182), (10625, 35936), (11230, 34000), (13600, 28075), (17000, 22460), (17968, 21250), (19091, 20000)]