215501330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:803

約数の個数: 64

約数和(自身を含む): 440246016

約数和(自身を除く): 224744686

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 71, 82, 110, 142, 205, 355, 410, 451, 673, 710, 781, 902, 1346, 1562, 2255, 2911, 3365, 3905, 4510, 5822, 6730, 7403, 7810, 14555, 14806, 27593, 29110, 32021, 37015, 47783, 55186, 64042, 74030, 95566, 137965, 160105, 238915, 275930, 303523, 320210, 477830, 525613, 607046, 1051226, 1517615, 1959103, 2628065, 3035230, 3918206, 5256130, 9795515, 19591030, 21550133, 43100266, 107750665, 215501330]

約数ペア:

[(1, 215501330), (2, 107750665), (5, 43100266), (10, 21550133), (11, 19591030), (22, 9795515), (41, 5256130), (55, 3918206), (71, 3035230), (82, 2628065), (110, 1959103), (142, 1517615), (205, 1051226), (355, 607046), (410, 525613), (451, 477830), (673, 320210), (710, 303523), (781, 275930), (902, 238915), (1346, 160105), (1562, 137965), (2255, 95566), (2911, 74030), (3365, 64042), (3905, 55186), (4510, 47783), (5822, 37015), (6730, 32021), (7403, 29110), (7810, 27593), (14555, 14806)]