340857580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{4451}}^1$

素因数の和:5014

約数の個数: 48

約数和(自身を含む): 819737856

約数和(自身を除く): 478880276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 2188, 2735, 3829, 4451, 5470, 7658, 8902, 10940, 15316, 17804, 19145, 22255, 31157, 38290, 44510, 62314, 76580, 89020, 124628, 155785, 311570, 623140, 2434697, 4869394, 9738788, 12173485, 17042879, 24346970, 34085758, 48693940, 68171516, 85214395, 170428790, 340857580]

約数ペア:

[(1, 340857580), (2, 170428790), (4, 85214395), (5, 68171516), (7, 48693940), (10, 34085758), (14, 24346970), (20, 17042879), (28, 12173485), (35, 9738788), (70, 4869394), (140, 2434697), (547, 623140), (1094, 311570), (2188, 155785), (2735, 124628), (3829, 89020), (4451, 76580), (5470, 62314), (7658, 44510), (8902, 38290), (10940, 31157), (15316, 22255), (17804, 19145)]