263811990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{3779}}^1$

素因数の和:3981

約数の個数: 64

約数和(自身を含む): 685843200

約数和(自身を除く): 422031210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 179, 195, 358, 390, 537, 895, 1074, 1790, 2327, 2685, 3779, 4654, 5370, 6981, 7558, 11337, 11635, 13962, 18895, 22674, 23270, 34905, 37790, 49127, 56685, 69810, 98254, 113370, 147381, 245635, 294762, 491270, 676441, 736905, 1352882, 1473810, 2029323, 3382205, 4058646, 6764410, 8793733, 10146615, 17587466, 20293230, 26381199, 43968665, 52762398, 87937330, 131905995, 263811990]

約数ペア:

[(1, 263811990), (2, 131905995), (3, 87937330), (5, 52762398), (6, 43968665), (10, 26381199), (13, 20293230), (15, 17587466), (26, 10146615), (30, 8793733), (39, 6764410), (65, 4058646), (78, 3382205), (130, 2029323), (179, 1473810), (195, 1352882), (358, 736905), (390, 676441), (537, 491270), (895, 294762), (1074, 245635), (1790, 147381), (2327, 113370), (2685, 98254), (3779, 69810), (4654, 56685), (5370, 49127), (6981, 37790), (7558, 34905), (11337, 23270), (11635, 22674), (13962, 18895)]