1554980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 3870720

約数和(自身を除く): 2315740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 383, 406, 580, 766, 812, 1015, 1532, 1915, 2030, 2681, 3830, 4060, 5362, 7660, 10724, 11107, 13405, 22214, 26810, 44428, 53620, 55535, 77749, 111070, 155498, 222140, 310996, 388745, 777490, 1554980]

約数ペア:

[(1, 1554980), (2, 777490), (4, 388745), (5, 310996), (7, 222140), (10, 155498), (14, 111070), (20, 77749), (28, 55535), (29, 53620), (35, 44428), (58, 26810), (70, 22214), (116, 13405), (140, 11107), (145, 10724), (203, 7660), (290, 5362), (383, 4060), (406, 3830), (580, 2681), (766, 2030), (812, 1915), (1015, 1532)]