42705820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 91929600

約数和(自身を除く): 49223780

約数列:

[1, 2, 4, 5, 10, 20, 79, 151, 158, 179, 302, 316, 358, 395, 604, 716, 755, 790, 895, 1510, 1580, 1790, 3020, 3580, 11929, 14141, 23858, 27029, 28282, 47716, 54058, 56564, 59645, 70705, 108116, 119290, 135145, 141410, 238580, 270290, 282820, 540580, 2135291, 4270582, 8541164, 10676455, 21352910, 42705820]

約数ペア:

[(1, 42705820), (2, 21352910), (4, 10676455), (5, 8541164), (10, 4270582), (20, 2135291), (79, 540580), (151, 282820), (158, 270290), (179, 238580), (302, 141410), (316, 135145), (358, 119290), (395, 108116), (604, 70705), (716, 59645), (755, 56564), (790, 54058), (895, 47716), (1510, 28282), (1580, 27029), (1790, 23858), (3020, 14141), (3580, 11929)]