42802940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 99093456

約数和(自身を除く): 56290516

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 131, 155, 170, 262, 310, 340, 524, 527, 620, 655, 961, 1054, 1310, 1922, 2108, 2227, 2620, 2635, 3844, 4061, 4454, 4805, 5270, 8122, 8908, 9610, 10540, 11135, 16244, 16337, 19220, 20305, 22270, 32674, 40610, 44540, 65348, 69037, 81220, 81685, 125891, 138074, 163370, 251782, 276148, 326740, 345185, 503564, 629455, 690370, 1258910, 1380740, 2140147, 2517820, 4280294, 8560588, 10700735, 21401470, 42802940]

約数ペア:

[(1, 42802940), (2, 21401470), (4, 10700735), (5, 8560588), (10, 4280294), (17, 2517820), (20, 2140147), (31, 1380740), (34, 1258910), (62, 690370), (68, 629455), (85, 503564), (124, 345185), (131, 326740), (155, 276148), (170, 251782), (262, 163370), (310, 138074), (340, 125891), (524, 81685), (527, 81220), (620, 69037), (655, 65348), (961, 44540), (1054, 40610), (1310, 32674), (1922, 22270), (2108, 20305), (2227, 19220), (2620, 16337), (2635, 16244), (3844, 11135), (4061, 10540), (4454, 9610), (4805, 8908), (5270, 8122)]