1901478400

素因数分解:

$2^9\times 5^2\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1174

約数の個数: 120

約数和(自身を含む): 4747436100

約数和(自身を除く): 2845957700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 149, 160, 200, 256, 298, 320, 400, 512, 596, 640, 745, 800, 997, 1192, 1280, 1490, 1600, 1994, 2384, 2560, 2980, 3200, 3725, 3988, 4768, 4985, 5960, 6400, 7450, 7976, 9536, 9970, 11920, 12800, 14900, 15952, 19072, 19940, 23840, 24925, 29800, 31904, 38144, 39880, 47680, 49850, 59600, 63808, 76288, 79760, 95360, 99700, 119200, 127616, 148553, 159520, 190720, 199400, 238400, 255232, 297106, 319040, 381440, 398800, 476800, 510464, 594212, 638080, 742765, 797600, 953600, 1188424, 1276160, 1485530, 1595200, 1907200, 2376848, 2552320, 2971060, 3190400, 3713825, 4753696, 5942120, 6380800, 7427650, 9507392, 11884240, 12761600, 14855300, 19014784, 23768480, 29710600, 38029568, 47536960, 59421200, 76059136, 95073920, 118842400, 190147840, 237684800, 380295680, 475369600, 950739200, 1901478400]

約数ペア:

[(1, 1901478400), (2, 950739200), (4, 475369600), (5, 380295680), (8, 237684800), (10, 190147840), (16, 118842400), (20, 95073920), (25, 76059136), (32, 59421200), (40, 47536960), (50, 38029568), (64, 29710600), (80, 23768480), (100, 19014784), (128, 14855300), (149, 12761600), (160, 11884240), (200, 9507392), (256, 7427650), (298, 6380800), (320, 5942120), (400, 4753696), (512, 3713825), (596, 3190400), (640, 2971060), (745, 2552320), (800, 2376848), (997, 1907200), (1192, 1595200), (1280, 1485530), (1490, 1276160), (1600, 1188424), (1994, 953600), (2384, 797600), (2560, 742765), (2980, 638080), (3200, 594212), (3725, 510464), (3988, 476800), (4768, 398800), (4985, 381440), (5960, 319040), (6400, 297106), (7450, 255232), (7976, 238400), (9536, 199400), (9970, 190720), (11920, 159520), (12800, 148553), (14900, 127616), (15952, 119200), (19072, 99700), (19940, 95360), (23840, 79760), (24925, 76288), (29800, 63808), (31904, 59600), (38144, 49850), (39880, 47680)]