202367980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 432875520

約数和(自身を除く): 230507540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 263, 316, 395, 487, 526, 790, 974, 1052, 1315, 1580, 1948, 2435, 2630, 4870, 5260, 9740, 20777, 38473, 41554, 76946, 83108, 103885, 128081, 153892, 192365, 207770, 256162, 384730, 415540, 512324, 640405, 769460, 1280810, 2561620, 10118399, 20236798, 40473596, 50591995, 101183990, 202367980]

約数ペア:

[(1, 202367980), (2, 101183990), (4, 50591995), (5, 40473596), (10, 20236798), (20, 10118399), (79, 2561620), (158, 1280810), (263, 769460), (316, 640405), (395, 512324), (487, 415540), (526, 384730), (790, 256162), (974, 207770), (1052, 192365), (1315, 153892), (1580, 128081), (1948, 103885), (2435, 83108), (2630, 76946), (4870, 41554), (5260, 38473), (9740, 20777)]