312962020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{7789}}^1$

素因数の和:7853

約数の個数: 72

約数和(自身を含む): 783268920

約数和(自身を除く): 470306900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 7789, 8036, 10045, 15578, 20090, 31156, 38945, 40180, 54523, 77890, 109046, 155780, 218092, 272615, 319349, 381661, 545230, 638698, 763322, 1090460, 1277396, 1526644, 1596745, 1908305, 2235443, 3193490, 3816610, 4470886, 6386980, 7633220, 8941772, 11177215, 15648101, 22354430, 31296202, 44708860, 62592404, 78240505, 156481010, 312962020]

約数ペア:

[(1, 312962020), (2, 156481010), (4, 78240505), (5, 62592404), (7, 44708860), (10, 31296202), (14, 22354430), (20, 15648101), (28, 11177215), (35, 8941772), (41, 7633220), (49, 6386980), (70, 4470886), (82, 3816610), (98, 3193490), (140, 2235443), (164, 1908305), (196, 1596745), (205, 1526644), (245, 1277396), (287, 1090460), (410, 763322), (490, 638698), (574, 545230), (820, 381661), (980, 319349), (1148, 272615), (1435, 218092), (2009, 155780), (2870, 109046), (4018, 77890), (5740, 54523), (7789, 40180), (8036, 38945), (10045, 31156), (15578, 20090)]