137842820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1733}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 299760048

約数和(自身を除く): 161917228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1733, 1940, 3466, 3977, 6932, 7954, 8665, 15908, 17330, 19885, 34660, 39770, 71053, 79540, 142106, 168101, 284212, 336202, 355265, 672404, 710530, 840505, 1421060, 1681010, 3362020, 6892141, 13784282, 27568564, 34460705, 68921410, 137842820]

約数ペア:

[(1, 137842820), (2, 68921410), (4, 34460705), (5, 27568564), (10, 13784282), (20, 6892141), (41, 3362020), (82, 1681010), (97, 1421060), (164, 840505), (194, 710530), (205, 672404), (388, 355265), (410, 336202), (485, 284212), (820, 168101), (970, 142106), (1733, 79540), (1940, 71053), (3466, 39770), (3977, 34660), (6932, 19885), (7954, 17330), (8665, 15908)]