421201120

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{397}}^1$

素因数の和:780

約数の個数: 96

約数和(自身を含む): 1053108000

約数和(自身を除く): 631906880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 349, 380, 397, 608, 698, 760, 794, 1396, 1520, 1588, 1745, 1985, 2792, 3040, 3176, 3490, 3970, 5584, 6352, 6631, 6980, 7543, 7940, 11168, 12704, 13262, 13960, 15086, 15880, 26524, 27920, 30172, 31760, 33155, 37715, 53048, 55840, 60344, 63520, 66310, 75430, 106096, 120688, 132620, 138553, 150860, 212192, 241376, 265240, 277106, 301720, 530480, 554212, 603440, 692765, 1060960, 1108424, 1206880, 1385530, 2216848, 2632507, 2771060, 4433696, 5265014, 5542120, 10530028, 11084240, 13162535, 21060056, 22168480, 26325070, 42120112, 52650140, 84240224, 105300280, 210600560, 421201120]

約数ペア:

[(1, 421201120), (2, 210600560), (4, 105300280), (5, 84240224), (8, 52650140), (10, 42120112), (16, 26325070), (19, 22168480), (20, 21060056), (32, 13162535), (38, 11084240), (40, 10530028), (76, 5542120), (80, 5265014), (95, 4433696), (152, 2771060), (160, 2632507), (190, 2216848), (304, 1385530), (349, 1206880), (380, 1108424), (397, 1060960), (608, 692765), (698, 603440), (760, 554212), (794, 530480), (1396, 301720), (1520, 277106), (1588, 265240), (1745, 241376), (1985, 212192), (2792, 150860), (3040, 138553), (3176, 132620), (3490, 120688), (3970, 106096), (5584, 75430), (6352, 66310), (6631, 63520), (6980, 60344), (7543, 55840), (7940, 53048), (11168, 37715), (12704, 33155), (13262, 31760), (13960, 30172), (15086, 27920), (15880, 26524)]