90702220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4729}}^1$

素因数の和:4882

約数の個数: 48

約数和(自身を含む): 219320640

約数和(自身を除く): 128618420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4729, 4795, 9458, 9590, 18916, 19180, 23645, 33103, 47290, 66206, 94580, 132412, 165515, 331030, 647873, 662060, 1295746, 2591492, 3239365, 4535111, 6478730, 9070222, 12957460, 18140444, 22675555, 45351110, 90702220]

約数ペア:

[(1, 90702220), (2, 45351110), (4, 22675555), (5, 18140444), (7, 12957460), (10, 9070222), (14, 6478730), (20, 4535111), (28, 3239365), (35, 2591492), (70, 1295746), (137, 662060), (140, 647873), (274, 331030), (548, 165515), (685, 132412), (959, 94580), (1370, 66206), (1918, 47290), (2740, 33103), (3836, 23645), (4729, 19180), (4795, 18916), (9458, 9590)]