78989540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5273}}^1$

素因数の和:5396

約数の個数: 48

約数和(自身を含む): 191382912

約数和(自身を除く): 112393372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 5273, 7490, 10546, 14980, 21092, 26365, 36911, 52730, 73822, 105460, 147644, 184555, 369110, 564211, 738220, 1128422, 2256844, 2821055, 3949477, 5642110, 7898954, 11284220, 15797908, 19747385, 39494770, 78989540]

約数ペア:

[(1, 78989540), (2, 39494770), (4, 19747385), (5, 15797908), (7, 11284220), (10, 7898954), (14, 5642110), (20, 3949477), (28, 2821055), (35, 2256844), (70, 1128422), (107, 738220), (140, 564211), (214, 369110), (428, 184555), (535, 147644), (749, 105460), (1070, 73822), (1498, 52730), (2140, 36911), (2996, 26365), (3745, 21092), (5273, 14980), (7490, 10546)]