2109668540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{16433}}^1$

素因数の和:16587

約数の個数: 72

約数和(自身を含む): 5193275472

約数和(自身を除く): 3083606932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 490, 524, 655, 917, 980, 1310, 1834, 2620, 3668, 4585, 6419, 9170, 12838, 16433, 18340, 25676, 32095, 32866, 64190, 65732, 82165, 115031, 128380, 164330, 230062, 328660, 460124, 575155, 805217, 1150310, 1610434, 2152723, 2300620, 3220868, 4026085, 4305446, 8052170, 8610892, 10763615, 15069061, 16104340, 21527230, 30138122, 43054460, 60276244, 75345305, 105483427, 150690610, 210966854, 301381220, 421933708, 527417135, 1054834270, 2109668540]

約数ペア:

[(1, 2109668540), (2, 1054834270), (4, 527417135), (5, 421933708), (7, 301381220), (10, 210966854), (14, 150690610), (20, 105483427), (28, 75345305), (35, 60276244), (49, 43054460), (70, 30138122), (98, 21527230), (131, 16104340), (140, 15069061), (196, 10763615), (245, 8610892), (262, 8052170), (490, 4305446), (524, 4026085), (655, 3220868), (917, 2300620), (980, 2152723), (1310, 1610434), (1834, 1150310), (2620, 805217), (3668, 575155), (4585, 460124), (6419, 328660), (9170, 230062), (12838, 164330), (16433, 128380), (18340, 115031), (25676, 82165), (32095, 65732), (32866, 64190)]