397454120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11177}}^1$

素因数の和:11322

約数の個数: 64

約数和(自身を含む): 1030164480

約数和(自身を除く): 632710360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2540, 3556, 4445, 5080, 7112, 8890, 11177, 17780, 22354, 35560, 44708, 55885, 78239, 89416, 111770, 156478, 223540, 312956, 391195, 447080, 625912, 782390, 1419479, 1564780, 2838958, 3129560, 5677916, 7097395, 9936353, 11355832, 14194790, 19872706, 28389580, 39745412, 49681765, 56779160, 79490824, 99363530, 198727060, 397454120]

約数ペア:

[(1, 397454120), (2, 198727060), (4, 99363530), (5, 79490824), (7, 56779160), (8, 49681765), (10, 39745412), (14, 28389580), (20, 19872706), (28, 14194790), (35, 11355832), (40, 9936353), (56, 7097395), (70, 5677916), (127, 3129560), (140, 2838958), (254, 1564780), (280, 1419479), (508, 782390), (635, 625912), (889, 447080), (1016, 391195), (1270, 312956), (1778, 223540), (2540, 156478), (3556, 111770), (4445, 89416), (5080, 78239), (7112, 55885), (8890, 44708), (11177, 35560), (17780, 22354)]