280183160

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{19843}}^1$

素因数の和:20207

約数の個数: 32

約数和(自身を含む): 632229840

約数和(自身を除く): 352046680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2824, 3530, 7060, 14120, 19843, 39686, 79372, 99215, 158744, 198430, 396860, 793720, 7004579, 14009158, 28018316, 35022895, 56036632, 70045790, 140091580, 280183160]

約数ペア:

[(1, 280183160), (2, 140091580), (4, 70045790), (5, 56036632), (8, 35022895), (10, 28018316), (20, 14009158), (40, 7004579), (353, 793720), (706, 396860), (1412, 198430), (1765, 158744), (2824, 99215), (3530, 79372), (7060, 39686), (14120, 19843)]