27455000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 120

約数和(自身を含む): 71930100

約数和(自身を除く): 44475100

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 85, 95, 100, 125, 136, 152, 170, 190, 200, 250, 289, 323, 340, 380, 425, 475, 500, 578, 625, 646, 680, 760, 850, 950, 1000, 1156, 1250, 1292, 1445, 1615, 1700, 1900, 2125, 2312, 2375, 2500, 2584, 2890, 3230, 3400, 3800, 4250, 4750, 5000, 5491, 5780, 6460, 7225, 8075, 8500, 9500, 10625, 10982, 11560, 11875, 12920, 14450, 16150, 17000, 19000, 21250, 21964, 23750, 27455, 28900, 32300, 36125, 40375, 42500, 43928, 47500, 54910, 57800, 64600, 72250, 80750, 85000, 95000, 109820, 137275, 144500, 161500, 180625, 201875, 219640, 274550, 289000, 323000, 361250, 403750, 549100, 686375, 722500, 807500, 1098200, 1372750, 1445000, 1615000, 2745500, 3431875, 5491000, 6863750, 13727500, 27455000]

約数ペア:

[(1, 27455000), (2, 13727500), (4, 6863750), (5, 5491000), (8, 3431875), (10, 2745500), (17, 1615000), (19, 1445000), (20, 1372750), (25, 1098200), (34, 807500), (38, 722500), (40, 686375), (50, 549100), (68, 403750), (76, 361250), (85, 323000), (95, 289000), (100, 274550), (125, 219640), (136, 201875), (152, 180625), (170, 161500), (190, 144500), (200, 137275), (250, 109820), (289, 95000), (323, 85000), (340, 80750), (380, 72250), (425, 64600), (475, 57800), (500, 54910), (578, 47500), (625, 43928), (646, 42500), (680, 40375), (760, 36125), (850, 32300), (950, 28900), (1000, 27455), (1156, 23750), (1250, 21964), (1292, 21250), (1445, 19000), (1615, 17000), (1700, 16150), (1900, 14450), (2125, 12920), (2312, 11875), (2375, 11560), (2500, 10982), (2584, 10625), (2890, 9500), (3230, 8500), (3400, 8075), (3800, 7225), (4250, 6460), (4750, 5780), (5000, 5491)]