1831382840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{6271}}^1$

素因数の和:6445

約数の個数: 96

約数和(自身を含む): 4826304000

約数和(自身を除く): 2994921160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 149, 196, 245, 280, 298, 392, 490, 596, 745, 980, 1043, 1192, 1490, 1960, 2086, 2980, 4172, 5215, 5960, 6271, 7301, 8344, 10430, 12542, 14602, 20860, 25084, 29204, 31355, 36505, 41720, 43897, 50168, 58408, 62710, 73010, 87794, 125420, 146020, 175588, 219485, 250840, 292040, 307279, 351176, 438970, 614558, 877940, 934379, 1229116, 1536395, 1755880, 1868758, 2458232, 3072790, 3737516, 4671895, 6145580, 6540653, 7475032, 9343790, 12291160, 13081306, 18687580, 26162612, 32703265, 37375160, 45784571, 52325224, 65406530, 91569142, 130813060, 183138284, 228922855, 261626120, 366276568, 457845710, 915691420, 1831382840]

約数ペア:

[(1, 1831382840), (2, 915691420), (4, 457845710), (5, 366276568), (7, 261626120), (8, 228922855), (10, 183138284), (14, 130813060), (20, 91569142), (28, 65406530), (35, 52325224), (40, 45784571), (49, 37375160), (56, 32703265), (70, 26162612), (98, 18687580), (140, 13081306), (149, 12291160), (196, 9343790), (245, 7475032), (280, 6540653), (298, 6145580), (392, 4671895), (490, 3737516), (596, 3072790), (745, 2458232), (980, 1868758), (1043, 1755880), (1192, 1536395), (1490, 1229116), (1960, 934379), (2086, 877940), (2980, 614558), (4172, 438970), (5215, 351176), (5960, 307279), (6271, 292040), (7301, 250840), (8344, 219485), (10430, 175588), (12542, 146020), (14602, 125420), (20860, 87794), (25084, 73010), (29204, 62710), (31355, 58408), (36505, 50168), (41720, 43897)]