71863660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1439}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 165473280

約数和(自身を除く): 93609620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 454, 908, 1135, 1439, 2270, 2497, 2878, 4540, 4994, 5756, 7195, 9988, 12485, 14390, 15829, 24970, 28780, 31658, 49940, 63316, 79145, 158290, 316580, 326653, 653306, 1306612, 1633265, 3266530, 3593183, 6533060, 7186366, 14372732, 17965915, 35931830, 71863660]

約数ペア:

[(1, 71863660), (2, 35931830), (4, 17965915), (5, 14372732), (10, 7186366), (11, 6533060), (20, 3593183), (22, 3266530), (44, 1633265), (55, 1306612), (110, 653306), (220, 326653), (227, 316580), (454, 158290), (908, 79145), (1135, 63316), (1439, 49940), (2270, 31658), (2497, 28780), (2878, 24970), (4540, 15829), (4994, 14390), (5756, 12485), (7195, 9988)]