420875892844

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{197}}^1\times {\mathrm{22871}}^1$

素因数の和:23287

約数の個数: 72

約数和(自身を含む): 817938674784

約数和(自身を除く): 397062781940

約数列:

[1, 2, 4, 11, 22, 44, 121, 193, 197, 242, 386, 394, 484, 772, 788, 2123, 2167, 4246, 4334, 8492, 8668, 22871, 23353, 23837, 38021, 45742, 46706, 47674, 76042, 91484, 93412, 95348, 152084, 251581, 418231, 503162, 836462, 1006324, 1672924, 2767391, 4414103, 4505587, 4600541, 5534782, 8828206, 9011174, 9201082, 11069564, 17656412, 18022348, 18402164, 48555133, 49561457, 97110266, 99122914, 194220532, 198245828, 534106463, 545176027, 869578291, 1068212926, 1090352054, 1739156582, 2136425852, 2180704108, 3478313164, 9565361201, 19130722402, 38261444804, 105218973211, 210437946422, 420875892844]

約数ペア:

[(1, 420875892844), (2, 210437946422), (4, 105218973211), (11, 38261444804), (22, 19130722402), (44, 9565361201), (121, 3478313164), (193, 2180704108), (197, 2136425852), (242, 1739156582), (386, 1090352054), (394, 1068212926), (484, 869578291), (772, 545176027), (788, 534106463), (2123, 198245828), (2167, 194220532), (4246, 99122914), (4334, 97110266), (8492, 49561457), (8668, 48555133), (22871, 18402164), (23353, 18022348), (23837, 17656412), (38021, 11069564), (45742, 9201082), (46706, 9011174), (47674, 8828206), (76042, 5534782), (91484, 4600541), (93412, 4505587), (95348, 4414103), (152084, 2767391), (251581, 1672924), (418231, 1006324), (503162, 836462)]