78195200

素因数分解:

$2^9\times 5^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 120

約数和(自身を含む): 199791900

約数和(自身を除く): 121596700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 149, 160, 164, 200, 205, 256, 298, 320, 328, 400, 410, 512, 596, 640, 656, 745, 800, 820, 1025, 1192, 1280, 1312, 1490, 1600, 1640, 2050, 2384, 2560, 2624, 2980, 3200, 3280, 3725, 4100, 4768, 5248, 5960, 6109, 6400, 6560, 7450, 8200, 9536, 10496, 11920, 12218, 12800, 13120, 14900, 16400, 19072, 20992, 23840, 24436, 26240, 29800, 30545, 32800, 38144, 47680, 48872, 52480, 59600, 61090, 65600, 76288, 95360, 97744, 104960, 119200, 122180, 131200, 152725, 190720, 195488, 238400, 244360, 262400, 305450, 381440, 390976, 476800, 488720, 524800, 610900, 781952, 953600, 977440, 1221800, 1563904, 1907200, 1954880, 2443600, 3127808, 3909760, 4887200, 7819520, 9774400, 15639040, 19548800, 39097600, 78195200]

約数ペア:

[(1, 78195200), (2, 39097600), (4, 19548800), (5, 15639040), (8, 9774400), (10, 7819520), (16, 4887200), (20, 3909760), (25, 3127808), (32, 2443600), (40, 1954880), (41, 1907200), (50, 1563904), (64, 1221800), (80, 977440), (82, 953600), (100, 781952), (128, 610900), (149, 524800), (160, 488720), (164, 476800), (200, 390976), (205, 381440), (256, 305450), (298, 262400), (320, 244360), (328, 238400), (400, 195488), (410, 190720), (512, 152725), (596, 131200), (640, 122180), (656, 119200), (745, 104960), (800, 97744), (820, 95360), (1025, 76288), (1192, 65600), (1280, 61090), (1312, 59600), (1490, 52480), (1600, 48872), (1640, 47680), (2050, 38144), (2384, 32800), (2560, 30545), (2624, 29800), (2980, 26240), (3200, 24436), (3280, 23840), (3725, 20992), (4100, 19072), (4768, 16400), (5248, 14900), (5960, 13120), (6109, 12800), (6400, 12218), (6560, 11920), (7450, 10496), (8200, 9536)]