206893640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3251}}^1$

素因数の和:3342

約数の個数: 64

約数和(自身を含む): 489360960

約数和(自身を除く): 282467320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 3251, 6364, 6502, 7955, 12728, 13004, 15910, 16255, 26008, 31820, 32510, 63640, 65020, 120287, 130040, 139793, 240574, 279586, 481148, 559172, 601435, 698965, 962296, 1118344, 1202870, 1397930, 2405740, 2795860, 4811480, 5172341, 5591720, 10344682, 20689364, 25861705, 41378728, 51723410, 103446820, 206893640]

約数ペア:

[(1, 206893640), (2, 103446820), (4, 51723410), (5, 41378728), (8, 25861705), (10, 20689364), (20, 10344682), (37, 5591720), (40, 5172341), (43, 4811480), (74, 2795860), (86, 2405740), (148, 1397930), (172, 1202870), (185, 1118344), (215, 962296), (296, 698965), (344, 601435), (370, 559172), (430, 481148), (740, 279586), (860, 240574), (1480, 139793), (1591, 130040), (1720, 120287), (3182, 65020), (3251, 63640), (6364, 32510), (6502, 31820), (7955, 26008), (12728, 16255), (13004, 15910)]