745367620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1\times {\mathrm{1097}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 1598749488

約数和(自身を除く): 853381868

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 641, 1060, 1097, 1282, 2194, 2564, 3205, 4388, 5485, 6410, 10970, 12820, 21940, 33973, 58141, 67946, 116282, 135892, 169865, 232564, 290705, 339730, 581410, 679460, 703177, 1162820, 1406354, 2812708, 3515885, 7031770, 14063540, 37268381, 74536762, 149073524, 186341905, 372683810, 745367620]

約数ペア:

[(1, 745367620), (2, 372683810), (4, 186341905), (5, 149073524), (10, 74536762), (20, 37268381), (53, 14063540), (106, 7031770), (212, 3515885), (265, 2812708), (530, 1406354), (641, 1162820), (1060, 703177), (1097, 679460), (1282, 581410), (2194, 339730), (2564, 290705), (3205, 232564), (4388, 169865), (5485, 135892), (6410, 116282), (10970, 67946), (12820, 58141), (21940, 33973)]