2105740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 5533920

約数和(自身を除く): 3428180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 89, 91, 130, 140, 169, 178, 182, 260, 338, 356, 364, 445, 455, 623, 676, 845, 890, 910, 1157, 1183, 1246, 1690, 1780, 1820, 2314, 2366, 2492, 3115, 3380, 4628, 4732, 5785, 5915, 6230, 8099, 11570, 11830, 12460, 15041, 16198, 23140, 23660, 30082, 32396, 40495, 60164, 75205, 80990, 105287, 150410, 161980, 210574, 300820, 421148, 526435, 1052870, 2105740]

約数ペア:

[(1, 2105740), (2, 1052870), (4, 526435), (5, 421148), (7, 300820), (10, 210574), (13, 161980), (14, 150410), (20, 105287), (26, 80990), (28, 75205), (35, 60164), (52, 40495), (65, 32396), (70, 30082), (89, 23660), (91, 23140), (130, 16198), (140, 15041), (169, 12460), (178, 11830), (182, 11570), (260, 8099), (338, 6230), (356, 5915), (364, 5785), (445, 4732), (455, 4628), (623, 3380), (676, 3115), (845, 2492), (890, 2366), (910, 2314), (1157, 1820), (1183, 1780), (1246, 1690)]