219640000

素因数分解:

$2^6\times 5^4\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:85

約数の個数: 210

約数和(自身を含む): 609008180

約数和(自身を除く): 389368180

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 32, 34, 38, 40, 50, 64, 68, 76, 80, 85, 95, 100, 125, 136, 152, 160, 170, 190, 200, 250, 272, 289, 304, 320, 323, 340, 380, 400, 425, 475, 500, 544, 578, 608, 625, 646, 680, 760, 800, 850, 950, 1000, 1088, 1156, 1216, 1250, 1292, 1360, 1445, 1520, 1600, 1615, 1700, 1900, 2000, 2125, 2312, 2375, 2500, 2584, 2720, 2890, 3040, 3230, 3400, 3800, 4000, 4250, 4624, 4750, 5000, 5168, 5440, 5491, 5780, 6080, 6460, 6800, 7225, 7600, 8000, 8075, 8500, 9248, 9500, 10000, 10336, 10625, 10982, 11560, 11875, 12920, 13600, 14450, 15200, 16150, 17000, 18496, 19000, 20000, 20672, 21250, 21964, 23120, 23750, 25840, 27200, 27455, 28900, 30400, 32300, 34000, 36125, 38000, 40000, 40375, 42500, 43928, 46240, 47500, 51680, 54910, 57800, 64600, 68000, 72250, 76000, 80750, 85000, 87856, 92480, 95000, 103360, 109820, 115600, 129200, 136000, 137275, 144500, 152000, 161500, 170000, 175712, 180625, 190000, 201875, 219640, 231200, 258400, 274550, 289000, 323000, 340000, 351424, 361250, 380000, 403750, 439280, 462400, 516800, 549100, 578000, 646000, 680000, 686375, 722500, 760000, 807500, 878560, 1098200, 1156000, 1292000, 1372750, 1445000, 1615000, 1757120, 2196400, 2312000, 2584000, 2745500, 2890000, 3230000, 3431875, 4392800, 5491000, 5780000, 6460000, 6863750, 8785600, 10982000, 11560000, 12920000, 13727500, 21964000, 27455000, 43928000, 54910000, 109820000, 219640000]

約数ペア:

[(1, 219640000), (2, 109820000), (4, 54910000), (5, 43928000), (8, 27455000), (10, 21964000), (16, 13727500), (17, 12920000), (19, 11560000), (20, 10982000), (25, 8785600), (32, 6863750), (34, 6460000), (38, 5780000), (40, 5491000), (50, 4392800), (64, 3431875), (68, 3230000), (76, 2890000), (80, 2745500), (85, 2584000), (95, 2312000), (100, 2196400), (125, 1757120), (136, 1615000), (152, 1445000), (160, 1372750), (170, 1292000), (190, 1156000), (200, 1098200), (250, 878560), (272, 807500), (289, 760000), (304, 722500), (320, 686375), (323, 680000), (340, 646000), (380, 578000), (400, 549100), (425, 516800), (475, 462400), (500, 439280), (544, 403750), (578, 380000), (608, 361250), (625, 351424), (646, 340000), (680, 323000), (760, 289000), (800, 274550), (850, 258400), (950, 231200), (1000, 219640), (1088, 201875), (1156, 190000), (1216, 180625), (1250, 175712), (1292, 170000), (1360, 161500), (1445, 152000), (1520, 144500), (1600, 137275), (1615, 136000), (1700, 129200), (1900, 115600), (2000, 109820), (2125, 103360), (2312, 95000), (2375, 92480), (2500, 87856), (2584, 85000), (2720, 80750), (2890, 76000), (3040, 72250), (3230, 68000), (3400, 64600), (3800, 57800), (4000, 54910), (4250, 51680), (4624, 47500), (4750, 46240), (5000, 43928), (5168, 42500), (5440, 40375), (5491, 40000), (5780, 38000), (6080, 36125), (6460, 34000), (6800, 32300), (7225, 30400), (7600, 28900), (8000, 27455), (8075, 27200), (8500, 25840), (9248, 23750), (9500, 23120), (10000, 21964), (10336, 21250), (10625, 20672), (10982, 20000), (11560, 19000), (11875, 18496), (12920, 17000), (13600, 16150), (14450, 15200)]