254633960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21149}}^1$

素因数の和:21210

約数の個数: 64

約数和(自身を含む): 670032000

約数和(自身を除く): 415398040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 3010, 6020, 12040, 21149, 42298, 84596, 105745, 148043, 169192, 211490, 296086, 422980, 592172, 740215, 845960, 909407, 1184344, 1480430, 1818814, 2960860, 3637628, 4547035, 5921720, 6365849, 7275256, 9094070, 12731698, 18188140, 25463396, 31829245, 36376280, 50926792, 63658490, 127316980, 254633960]

約数ペア:

[(1, 254633960), (2, 127316980), (4, 63658490), (5, 50926792), (7, 36376280), (8, 31829245), (10, 25463396), (14, 18188140), (20, 12731698), (28, 9094070), (35, 7275256), (40, 6365849), (43, 5921720), (56, 4547035), (70, 3637628), (86, 2960860), (140, 1818814), (172, 1480430), (215, 1184344), (280, 909407), (301, 845960), (344, 740215), (430, 592172), (602, 422980), (860, 296086), (1204, 211490), (1505, 169192), (1720, 148043), (2408, 105745), (3010, 84596), (6020, 42298), (12040, 21149)]