2004457090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1627

約数の個数: 64

約数和(自身を含む): 3844143360

約数和(自身を除く): 1839686270

約数列:

[1, 2, 5, 10, 29, 58, 67, 71, 134, 142, 145, 290, 335, 355, 670, 710, 1453, 1943, 2059, 2906, 3886, 4118, 4757, 7265, 9514, 9715, 10295, 14530, 19430, 20590, 23785, 42137, 47570, 84274, 97351, 103163, 137953, 194702, 206326, 210685, 275906, 421370, 486755, 515815, 689765, 973510, 1031630, 1379530, 2823179, 2991727, 5646358, 5983454, 6911921, 13823842, 14115895, 14958635, 28231790, 29917270, 34559605, 69119210, 200445709, 400891418, 1002228545, 2004457090]

約数ペア:

[(1, 2004457090), (2, 1002228545), (5, 400891418), (10, 200445709), (29, 69119210), (58, 34559605), (67, 29917270), (71, 28231790), (134, 14958635), (142, 14115895), (145, 13823842), (290, 6911921), (335, 5983454), (355, 5646358), (670, 2991727), (710, 2823179), (1453, 1379530), (1943, 1031630), (2059, 973510), (2906, 689765), (3886, 515815), (4118, 486755), (4757, 421370), (7265, 275906), (9514, 210685), (9715, 206326), (10295, 194702), (14530, 137953), (19430, 103163), (20590, 97351), (23785, 84274), (42137, 47570)]