1912778890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:548

約数の個数: 96

約数和(自身を含む): 3922712640

約数和(自身を除く): 2009933750

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 97, 110, 121, 194, 215, 242, 379, 430, 473, 485, 605, 758, 946, 970, 1067, 1210, 1895, 2134, 2365, 3790, 4169, 4171, 4730, 5203, 5335, 8338, 8342, 10406, 10670, 11737, 16297, 20845, 20855, 23474, 26015, 32594, 36763, 41690, 41710, 45859, 45881, 52030, 58685, 73526, 81485, 91718, 91762, 117370, 162970, 179267, 183815, 229295, 229405, 358534, 367630, 404393, 458590, 458810, 504691, 808786, 896335, 1009382, 1580809, 1792670, 1971937, 2021965, 2523455, 3161618, 3943874, 4043930, 4448323, 5046910, 7904045, 8896646, 9859685, 15808090, 17388899, 19719370, 22241615, 34777798, 44483230, 86944495, 173888990, 191277889, 382555778, 956389445, 1912778890]

約数ペア:

[(1, 1912778890), (2, 956389445), (5, 382555778), (10, 191277889), (11, 173888990), (22, 86944495), (43, 44483230), (55, 34777798), (86, 22241615), (97, 19719370), (110, 17388899), (121, 15808090), (194, 9859685), (215, 8896646), (242, 7904045), (379, 5046910), (430, 4448323), (473, 4043930), (485, 3943874), (605, 3161618), (758, 2523455), (946, 2021965), (970, 1971937), (1067, 1792670), (1210, 1580809), (1895, 1009382), (2134, 896335), (2365, 808786), (3790, 504691), (4169, 458810), (4171, 458590), (4730, 404393), (5203, 367630), (5335, 358534), (8338, 229405), (8342, 229295), (10406, 183815), (10670, 179267), (11737, 162970), (16297, 117370), (20845, 91762), (20855, 91718), (23474, 81485), (26015, 73526), (32594, 58685), (36763, 52030), (41690, 45881), (41710, 45859)]