1028994220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{21269}}^1$

素因数の和:21378

約数の個数: 48

約数和(自身を含む): 2251216800

約数和(自身を除く): 1222222580

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 820, 1180, 2419, 4838, 9676, 12095, 21269, 24190, 42538, 48380, 85076, 106345, 212690, 425380, 872029, 1254871, 1744058, 2509742, 3488116, 4360145, 5019484, 6274355, 8720290, 12548710, 17440580, 25097420, 51449711, 102899422, 205798844, 257248555, 514497110, 1028994220]

約数ペア:

[(1, 1028994220), (2, 514497110), (4, 257248555), (5, 205798844), (10, 102899422), (20, 51449711), (41, 25097420), (59, 17440580), (82, 12548710), (118, 8720290), (164, 6274355), (205, 5019484), (236, 4360145), (295, 3488116), (410, 2509742), (590, 1744058), (820, 1254871), (1180, 872029), (2419, 425380), (4838, 212690), (9676, 106345), (12095, 85076), (21269, 48380), (24190, 42538)]