170870420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{64237}}^1$

素因数の和:64272

約数の個数: 48

約数和(自身を含む): 431679360

約数和(自身を除く): 260808940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 64237, 128474, 256948, 321185, 449659, 642370, 899318, 1220503, 1284740, 1798636, 2248295, 2441006, 4496590, 4882012, 6102515, 8543521, 8993180, 12205030, 17087042, 24410060, 34174084, 42717605, 85435210, 170870420]

約数ペア:

[(1, 170870420), (2, 85435210), (4, 42717605), (5, 34174084), (7, 24410060), (10, 17087042), (14, 12205030), (19, 8993180), (20, 8543521), (28, 6102515), (35, 4882012), (38, 4496590), (70, 2441006), (76, 2248295), (95, 1798636), (133, 1284740), (140, 1220503), (190, 899318), (266, 642370), (380, 449659), (532, 321185), (665, 256948), (1330, 128474), (2660, 64237)]