1445820460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{210761}}^1$

素因数の和:210791

約数の個数: 48

約数和(自身を含む): 3540801600

約数和(自身を除く): 2094981140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 210761, 421522, 843044, 1053805, 1475327, 2107610, 2950654, 4215220, 5901308, 7376635, 10327289, 14753270, 20654578, 29506540, 41309156, 51636445, 72291023, 103272890, 144582046, 206545780, 289164092, 361455115, 722910230, 1445820460]

約数ペア:

[(1, 1445820460), (2, 722910230), (4, 361455115), (5, 289164092), (7, 206545780), (10, 144582046), (14, 103272890), (20, 72291023), (28, 51636445), (35, 41309156), (49, 29506540), (70, 20654578), (98, 14753270), (140, 10327289), (196, 7376635), (245, 5901308), (343, 4215220), (490, 2950654), (686, 2107610), (980, 1475327), (1372, 1053805), (1715, 843044), (3430, 421522), (6860, 210761)]