68718100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 164052000

約数和(自身を除く): 95333900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 179, 220, 275, 349, 358, 550, 698, 716, 895, 1100, 1396, 1745, 1790, 1969, 3490, 3580, 3839, 3938, 4475, 6980, 7678, 7876, 8725, 8950, 9845, 15356, 17450, 17900, 19195, 19690, 34900, 38390, 39380, 49225, 62471, 76780, 95975, 98450, 124942, 191950, 196900, 249884, 312355, 383900, 624710, 687181, 1249420, 1374362, 1561775, 2748724, 3123550, 3435905, 6247100, 6871810, 13743620, 17179525, 34359050, 68718100]

約数ペア:

[(1, 68718100), (2, 34359050), (4, 17179525), (5, 13743620), (10, 6871810), (11, 6247100), (20, 3435905), (22, 3123550), (25, 2748724), (44, 1561775), (50, 1374362), (55, 1249420), (100, 687181), (110, 624710), (179, 383900), (220, 312355), (275, 249884), (349, 196900), (358, 191950), (550, 124942), (698, 98450), (716, 95975), (895, 76780), (1100, 62471), (1396, 49225), (1745, 39380), (1790, 38390), (1969, 34900), (3490, 19690), (3580, 19195), (3839, 17900), (3938, 17450), (4475, 15356), (6980, 9845), (7678, 8950), (7876, 8725)]