213565510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 423014400

約数和(自身を除く): 209448890

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 101, 155, 190, 202, 310, 359, 505, 589, 718, 1010, 1178, 1795, 1919, 2945, 3131, 3590, 3838, 5890, 6262, 6821, 9595, 11129, 13642, 15655, 19190, 22258, 31310, 34105, 36259, 55645, 59489, 68210, 72518, 111290, 118978, 181295, 211451, 297445, 362590, 422902, 594890, 688921, 1057255, 1124029, 1377842, 2114510, 2248058, 3444605, 5620145, 6889210, 11240290, 21356551, 42713102, 106782755, 213565510]

約数ペア:

[(1, 213565510), (2, 106782755), (5, 42713102), (10, 21356551), (19, 11240290), (31, 6889210), (38, 5620145), (62, 3444605), (95, 2248058), (101, 2114510), (155, 1377842), (190, 1124029), (202, 1057255), (310, 688921), (359, 594890), (505, 422902), (589, 362590), (718, 297445), (1010, 211451), (1178, 181295), (1795, 118978), (1919, 111290), (2945, 72518), (3131, 68210), (3590, 59489), (3838, 55645), (5890, 36259), (6262, 34105), (6821, 31310), (9595, 22258), (11129, 19190), (13642, 15655)]