2017688440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{17257}}^1$

素因数の和:17384

約数の個数: 64

約数和(自身を含む): 4721788800

約数和(自身を除く): 2704100360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 185, 296, 316, 370, 395, 632, 740, 790, 1480, 1580, 2923, 3160, 5846, 11692, 14615, 17257, 23384, 29230, 34514, 58460, 69028, 86285, 116920, 138056, 172570, 345140, 638509, 690280, 1277018, 1363303, 2554036, 2726606, 3192545, 5108072, 5453212, 6385090, 6816515, 10906424, 12770180, 13633030, 25540360, 27266060, 50442211, 54532120, 100884422, 201768844, 252211055, 403537688, 504422110, 1008844220, 2017688440]

約数ペア:

[(1, 2017688440), (2, 1008844220), (4, 504422110), (5, 403537688), (8, 252211055), (10, 201768844), (20, 100884422), (37, 54532120), (40, 50442211), (74, 27266060), (79, 25540360), (148, 13633030), (158, 12770180), (185, 10906424), (296, 6816515), (316, 6385090), (370, 5453212), (395, 5108072), (632, 3192545), (740, 2726606), (790, 2554036), (1480, 1363303), (1580, 1277018), (2923, 690280), (3160, 638509), (5846, 345140), (11692, 172570), (14615, 138056), (17257, 116920), (23384, 86285), (29230, 69028), (34514, 58460)]