1247724580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{20747}}^1$

素因数の和:20884

約数の個数: 48

約数和(自身を含む): 2732760576

約数和(自身を除く): 1485035996

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1940, 3007, 6014, 12028, 15035, 20747, 30070, 41494, 60140, 82988, 103735, 207470, 414940, 643157, 1286314, 2012459, 2572628, 3215785, 4024918, 6431570, 8049836, 10062295, 12863140, 20124590, 40249180, 62386229, 124772458, 249544916, 311931145, 623862290, 1247724580]

約数ペア:

[(1, 1247724580), (2, 623862290), (4, 311931145), (5, 249544916), (10, 124772458), (20, 62386229), (31, 40249180), (62, 20124590), (97, 12863140), (124, 10062295), (155, 8049836), (194, 6431570), (310, 4024918), (388, 3215785), (485, 2572628), (620, 2012459), (970, 1286314), (1940, 643157), (3007, 414940), (6014, 207470), (12028, 103735), (15035, 82988), (20747, 60140), (30070, 41494)]