208974360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248779}}^1$

素因数の和:248800

約数の個数: 64

約数和(自身を含む): 716486400

約数和(自身を除く): 507512040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 248779, 497558, 746337, 995116, 1243895, 1492674, 1741453, 1990232, 2487790, 2985348, 3482906, 3731685, 4975580, 5224359, 5970696, 6965812, 7463370, 8707265, 9951160, 10448718, 13931624, 14926740, 17414530, 20897436, 26121795, 29853480, 34829060, 41794872, 52243590, 69658120, 104487180, 208974360]

約数ペア:

[(1, 208974360), (2, 104487180), (3, 69658120), (4, 52243590), (5, 41794872), (6, 34829060), (7, 29853480), (8, 26121795), (10, 20897436), (12, 17414530), (14, 14926740), (15, 13931624), (20, 10448718), (21, 9951160), (24, 8707265), (28, 7463370), (30, 6965812), (35, 5970696), (40, 5224359), (42, 4975580), (56, 3731685), (60, 3482906), (70, 2985348), (84, 2487790), (105, 1990232), (120, 1741453), (140, 1492674), (168, 1243895), (210, 995116), (280, 746337), (420, 497558), (840, 248779)]