212919220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7927}}^1$

素因数の和:8032

約数の個数: 48

約数和(自身を含む): 479485440

約数和(自身を除く): 266566220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6715, 7927, 13430, 15854, 26860, 31708, 39635, 79270, 134759, 158540, 269518, 539036, 626233, 673795, 1252466, 1347590, 2504932, 2695180, 3131165, 6262330, 10645961, 12524660, 21291922, 42583844, 53229805, 106459610, 212919220]

約数ペア:

[(1, 212919220), (2, 106459610), (4, 53229805), (5, 42583844), (10, 21291922), (17, 12524660), (20, 10645961), (34, 6262330), (68, 3131165), (79, 2695180), (85, 2504932), (158, 1347590), (170, 1252466), (316, 673795), (340, 626233), (395, 539036), (790, 269518), (1343, 158540), (1580, 134759), (2686, 79270), (5372, 39635), (6715, 31708), (7927, 26860), (13430, 15854)]