280492060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{25453}}^1$

素因数の和:25510

約数の個数: 48

約数和(自身を含む): 641440800

約数和(自身を除く): 360948740

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 25453, 50906, 101812, 127265, 254530, 483607, 509060, 738137, 967214, 1476274, 1934428, 2418035, 2952548, 3690685, 4836070, 7381370, 9672140, 14024603, 14762740, 28049206, 56098412, 70123015, 140246030, 280492060]

約数ペア:

[(1, 280492060), (2, 140246030), (4, 70123015), (5, 56098412), (10, 28049206), (19, 14762740), (20, 14024603), (29, 9672140), (38, 7381370), (58, 4836070), (76, 3690685), (95, 2952548), (116, 2418035), (145, 1934428), (190, 1476274), (290, 967214), (380, 738137), (551, 509060), (580, 483607), (1102, 254530), (2204, 127265), (2755, 101812), (5510, 50906), (11020, 25453)]