215525930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 425174400

約数和(自身を除く): 209648470

約数列:

[1, 2, 5, 10, 19, 38, 41, 73, 82, 95, 146, 190, 205, 365, 379, 410, 730, 758, 779, 1387, 1558, 1895, 2774, 2993, 3790, 3895, 5986, 6935, 7201, 7790, 13870, 14402, 14965, 15539, 27667, 29930, 31078, 36005, 55334, 56867, 72010, 77695, 113734, 138335, 155390, 276670, 284335, 295241, 525673, 568670, 590482, 1051346, 1134347, 1476205, 2268694, 2628365, 2952410, 5256730, 5671735, 11343470, 21552593, 43105186, 107762965, 215525930]

約数ペア:

[(1, 215525930), (2, 107762965), (5, 43105186), (10, 21552593), (19, 11343470), (38, 5671735), (41, 5256730), (73, 2952410), (82, 2628365), (95, 2268694), (146, 1476205), (190, 1134347), (205, 1051346), (365, 590482), (379, 568670), (410, 525673), (730, 295241), (758, 284335), (779, 276670), (1387, 155390), (1558, 138335), (1895, 113734), (2774, 77695), (2993, 72010), (3790, 56867), (3895, 55334), (5986, 36005), (6935, 31078), (7201, 29930), (7790, 27667), (13870, 15539), (14402, 14965)]