54910000

素因数分解:

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

素因数の和:81

約数の個数: 150

約数和(自身を含む): 148655540

約数和(自身を除く): 93745540

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 125, 136, 152, 170, 190, 200, 250, 272, 289, 304, 323, 340, 380, 400, 425, 475, 500, 578, 625, 646, 680, 760, 850, 950, 1000, 1156, 1250, 1292, 1360, 1445, 1520, 1615, 1700, 1900, 2000, 2125, 2312, 2375, 2500, 2584, 2890, 3230, 3400, 3800, 4250, 4624, 4750, 5000, 5168, 5491, 5780, 6460, 6800, 7225, 7600, 8075, 8500, 9500, 10000, 10625, 10982, 11560, 11875, 12920, 14450, 16150, 17000, 19000, 21250, 21964, 23120, 23750, 25840, 27455, 28900, 32300, 34000, 36125, 38000, 40375, 42500, 43928, 47500, 54910, 57800, 64600, 72250, 80750, 85000, 87856, 95000, 109820, 115600, 129200, 137275, 144500, 161500, 170000, 180625, 190000, 201875, 219640, 274550, 289000, 323000, 361250, 403750, 439280, 549100, 578000, 646000, 686375, 722500, 807500, 1098200, 1372750, 1445000, 1615000, 2196400, 2745500, 2890000, 3230000, 3431875, 5491000, 6863750, 10982000, 13727500, 27455000, 54910000]

約数ペア:

[(1, 54910000), (2, 27455000), (4, 13727500), (5, 10982000), (8, 6863750), (10, 5491000), (16, 3431875), (17, 3230000), (19, 2890000), (20, 2745500), (25, 2196400), (34, 1615000), (38, 1445000), (40, 1372750), (50, 1098200), (68, 807500), (76, 722500), (80, 686375), (85, 646000), (95, 578000), (100, 549100), (125, 439280), (136, 403750), (152, 361250), (170, 323000), (190, 289000), (200, 274550), (250, 219640), (272, 201875), (289, 190000), (304, 180625), (323, 170000), (340, 161500), (380, 144500), (400, 137275), (425, 129200), (475, 115600), (500, 109820), (578, 95000), (625, 87856), (646, 85000), (680, 80750), (760, 72250), (850, 64600), (950, 57800), (1000, 54910), (1156, 47500), (1250, 43928), (1292, 42500), (1360, 40375), (1445, 38000), (1520, 36125), (1615, 34000), (1700, 32300), (1900, 28900), (2000, 27455), (2125, 25840), (2312, 23750), (2375, 23120), (2500, 21964), (2584, 21250), (2890, 19000), (3230, 17000), (3400, 16150), (3800, 14450), (4250, 12920), (4624, 11875), (4750, 11560), (5000, 10982), (5168, 10625), (5491, 10000), (5780, 9500), (6460, 8500), (6800, 8075), (7225, 7600)]