390404908

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 718774560

約数和(自身を除く): 328369652

約数列:

[1, 2, 4, 37, 74, 89, 107, 148, 178, 214, 277, 356, 428, 554, 1108, 3293, 3959, 6586, 7918, 9523, 10249, 13172, 15836, 19046, 20498, 24653, 29639, 38092, 40996, 49306, 59278, 98612, 118556, 352351, 704702, 912161, 1096643, 1409404, 1824322, 2193286, 2637871, 3648644, 4386572, 5275742, 10551484, 97601227, 195202454, 390404908]

約数ペア:

[(1, 390404908), (2, 195202454), (4, 97601227), (37, 10551484), (74, 5275742), (89, 4386572), (107, 3648644), (148, 2637871), (178, 2193286), (214, 1824322), (277, 1409404), (356, 1096643), (428, 912161), (554, 704702), (1108, 352351), (3293, 118556), (3959, 98612), (6586, 59278), (7918, 49306), (9523, 40996), (10249, 38092), (13172, 29639), (15836, 24653), (19046, 20498)]