1796607620

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 3799011888

約数和(自身を除く): 2002404268

約数列:

[1, 2, 4, 5, 10, 20, 353, 397, 641, 706, 794, 1282, 1412, 1588, 1765, 1985, 2564, 3205, 3530, 3970, 6410, 7060, 7940, 12820, 140141, 226273, 254477, 280282, 452546, 508954, 560564, 700705, 905092, 1017908, 1131365, 1272385, 1401410, 2262730, 2544770, 2802820, 4525460, 5089540, 89830381, 179660762, 359321524, 449151905, 898303810, 1796607620]

約数ペア:

[(1, 1796607620), (2, 898303810), (4, 449151905), (5, 359321524), (10, 179660762), (20, 89830381), (353, 5089540), (397, 4525460), (641, 2802820), (706, 2544770), (794, 2262730), (1282, 1401410), (1412, 1272385), (1588, 1131365), (1765, 1017908), (1985, 905092), (2564, 700705), (3205, 560564), (3530, 508954), (3970, 452546), (6410, 280282), (7060, 254477), (7940, 226273), (12820, 140141)]