1293402580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{22541}}^1$

素因数の和:22720

約数の個数: 48

約数和(自身を含む): 2878162560

約数和(自身を除く): 1584759980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 151, 190, 302, 380, 604, 755, 1510, 2869, 3020, 5738, 11476, 14345, 22541, 28690, 45082, 57380, 90164, 112705, 225410, 428279, 450820, 856558, 1713116, 2141395, 3403691, 4282790, 6807382, 8565580, 13614764, 17018455, 34036910, 64670129, 68073820, 129340258, 258680516, 323350645, 646701290, 1293402580]

約数ペア:

[(1, 1293402580), (2, 646701290), (4, 323350645), (5, 258680516), (10, 129340258), (19, 68073820), (20, 64670129), (38, 34036910), (76, 17018455), (95, 13614764), (151, 8565580), (190, 6807382), (302, 4282790), (380, 3403691), (604, 2141395), (755, 1713116), (1510, 856558), (2869, 450820), (3020, 428279), (5738, 225410), (11476, 112705), (14345, 90164), (22541, 57380), (28690, 45082)]