312991420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{18787}}^1$

素因数の和:18827

約数の個数: 72

約数和(自身を含む): 809612496

約数和(自身を除く): 496621076

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 18787, 37574, 75148, 93935, 131509, 187870, 263018, 319379, 375740, 526036, 638758, 657545, 920563, 1277516, 1315090, 1596895, 1841126, 2235653, 2630180, 3193790, 3682252, 4471306, 4602815, 6387580, 8942612, 9205630, 11178265, 15649571, 18411260, 22356530, 31299142, 44713060, 62598284, 78247855, 156495710, 312991420]

約数ペア:

[(1, 312991420), (2, 156495710), (4, 78247855), (5, 62598284), (7, 44713060), (10, 31299142), (14, 22356530), (17, 18411260), (20, 15649571), (28, 11178265), (34, 9205630), (35, 8942612), (49, 6387580), (68, 4602815), (70, 4471306), (85, 3682252), (98, 3193790), (119, 2630180), (140, 2235653), (170, 1841126), (196, 1596895), (238, 1315090), (245, 1277516), (340, 920563), (476, 657545), (490, 638758), (595, 526036), (833, 375740), (980, 319379), (1190, 263018), (1666, 187870), (2380, 131509), (3332, 93935), (4165, 75148), (8330, 37574), (16660, 18787)]