201622820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{7237}}^1$

素因数の和:7452

約数の個数: 48

約数和(自身を含む): 486393600

約数和(自身を除く): 284770780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 7237, 13930, 14474, 27860, 28948, 36185, 50659, 72370, 101318, 144740, 202636, 253295, 506590, 1013180, 1440163, 2880326, 5760652, 7200815, 10081141, 14401630, 20162282, 28803260, 40324564, 50405705, 100811410, 201622820]

約数ペア:

[(1, 201622820), (2, 100811410), (4, 50405705), (5, 40324564), (7, 28803260), (10, 20162282), (14, 14401630), (20, 10081141), (28, 7200815), (35, 5760652), (70, 2880326), (140, 1440163), (199, 1013180), (398, 506590), (796, 253295), (995, 202636), (1393, 144740), (1990, 101318), (2786, 72370), (3980, 50659), (5572, 36185), (6965, 28948), (7237, 27860), (13930, 14474)]