2205070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 4862880

約数和(自身を除く): 2657810

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 109, 119, 170, 218, 238, 289, 545, 578, 595, 763, 1090, 1190, 1445, 1526, 1853, 2023, 2890, 3706, 3815, 4046, 7630, 9265, 10115, 12971, 18530, 20230, 25942, 31501, 63002, 64855, 129710, 157505, 220507, 315010, 441014, 1102535, 2205070]

約数ペア:

[(1, 2205070), (2, 1102535), (5, 441014), (7, 315010), (10, 220507), (14, 157505), (17, 129710), (34, 64855), (35, 63002), (70, 31501), (85, 25942), (109, 20230), (119, 18530), (170, 12971), (218, 10115), (238, 9265), (289, 7630), (545, 4046), (578, 3815), (595, 3706), (763, 2890), (1090, 2023), (1190, 1853), (1445, 1526)]