212331340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1787}}^1$

素因数の和:2266

約数の個数: 48

約数和(自身を含む): 481515552

約数和(自身を除く): 269184212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 457, 914, 1787, 1828, 2285, 3574, 4570, 5941, 7148, 8935, 9140, 11882, 17870, 23231, 23764, 29705, 35740, 46462, 59410, 92924, 116155, 118820, 232310, 464620, 816659, 1633318, 3266636, 4083295, 8166590, 10616567, 16333180, 21233134, 42466268, 53082835, 106165670, 212331340]

約数ペア:

[(1, 212331340), (2, 106165670), (4, 53082835), (5, 42466268), (10, 21233134), (13, 16333180), (20, 10616567), (26, 8166590), (52, 4083295), (65, 3266636), (130, 1633318), (260, 816659), (457, 464620), (914, 232310), (1787, 118820), (1828, 116155), (2285, 92924), (3574, 59410), (4570, 46462), (5941, 35740), (7148, 29705), (8935, 23764), (9140, 23231), (11882, 17870)]