2185702900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{11821}}^1$

素因数の和:11921

約数の個数: 54

約数和(自身を含む): 4856252982

約数和(自身を除く): 2670550082

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 1849, 2150, 3698, 4300, 7396, 9245, 11821, 18490, 23642, 36980, 46225, 47284, 59105, 92450, 118210, 184900, 236420, 295525, 508303, 591050, 1016606, 1182100, 2033212, 2541515, 5083030, 10166060, 12707575, 21857029, 25415150, 43714058, 50830300, 87428116, 109285145, 218570290, 437140580, 546425725, 1092851450, 2185702900]

約数ペア:

[(1, 2185702900), (2, 1092851450), (4, 546425725), (5, 437140580), (10, 218570290), (20, 109285145), (25, 87428116), (43, 50830300), (50, 43714058), (86, 25415150), (100, 21857029), (172, 12707575), (215, 10166060), (430, 5083030), (860, 2541515), (1075, 2033212), (1849, 1182100), (2150, 1016606), (3698, 591050), (4300, 508303), (7396, 295525), (9245, 236420), (11821, 184900), (18490, 118210), (23642, 92450), (36980, 59105), (46225, 47284)]