1917996800

素因数分解:

$2^8\times 5^2\times {\mathrm{19}}^1\times {\mathrm{15773}}^1$

素因数の和:15818

約数の個数: 108

約数和(自身を含む): 4997518680

約数和(自身を除く): 3079521880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 380, 400, 475, 608, 640, 760, 800, 950, 1216, 1280, 1520, 1600, 1900, 2432, 3040, 3200, 3800, 4864, 6080, 6400, 7600, 12160, 15200, 15773, 24320, 30400, 31546, 60800, 63092, 78865, 121600, 126184, 157730, 252368, 299687, 315460, 394325, 504736, 599374, 630920, 788650, 1009472, 1198748, 1261840, 1498435, 1577300, 2018944, 2397496, 2523680, 2996870, 3154600, 4037888, 4794992, 5047360, 5993740, 6309200, 7492175, 9589984, 10094720, 11987480, 12618400, 14984350, 19179968, 20189440, 23974960, 25236800, 29968700, 38359936, 47949920, 50473600, 59937400, 76719872, 95899840, 100947200, 119874800, 191799680, 239749600, 383599360, 479499200, 958998400, 1917996800]

約数ペア:

[(1, 1917996800), (2, 958998400), (4, 479499200), (5, 383599360), (8, 239749600), (10, 191799680), (16, 119874800), (19, 100947200), (20, 95899840), (25, 76719872), (32, 59937400), (38, 50473600), (40, 47949920), (50, 38359936), (64, 29968700), (76, 25236800), (80, 23974960), (95, 20189440), (100, 19179968), (128, 14984350), (152, 12618400), (160, 11987480), (190, 10094720), (200, 9589984), (256, 7492175), (304, 6309200), (320, 5993740), (380, 5047360), (400, 4794992), (475, 4037888), (608, 3154600), (640, 2996870), (760, 2523680), (800, 2397496), (950, 2018944), (1216, 1577300), (1280, 1498435), (1520, 1261840), (1600, 1198748), (1900, 1009472), (2432, 788650), (3040, 630920), (3200, 599374), (3800, 504736), (4864, 394325), (6080, 315460), (6400, 299687), (7600, 252368), (12160, 157730), (15200, 126184), (15773, 121600), (24320, 78865), (30400, 63092), (31546, 60800)]