71267980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10831}}^1$

素因数の和:10894

約数の個数: 48

約数和(自身を含む): 174698496

約数和(自身を除く): 103430516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 10831, 21662, 43324, 54155, 75817, 108310, 151634, 216620, 303268, 379085, 509057, 758170, 1018114, 1516340, 2036228, 2545285, 3563399, 5090570, 7126798, 10181140, 14253596, 17816995, 35633990, 71267980]

約数ペア:

[(1, 71267980), (2, 35633990), (4, 17816995), (5, 14253596), (7, 10181140), (10, 7126798), (14, 5090570), (20, 3563399), (28, 2545285), (35, 2036228), (47, 1516340), (70, 1018114), (94, 758170), (140, 509057), (188, 379085), (235, 303268), (329, 216620), (470, 151634), (658, 108310), (940, 75817), (1316, 54155), (1645, 43324), (3290, 21662), (6580, 10831)]