445480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 64

約数和(自身を含む): 1203840

約数和(自身を除く): 758360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 43, 56, 70, 74, 86, 140, 148, 172, 185, 215, 259, 280, 296, 301, 344, 370, 430, 518, 602, 740, 860, 1036, 1204, 1295, 1480, 1505, 1591, 1720, 2072, 2408, 2590, 3010, 3182, 5180, 6020, 6364, 7955, 10360, 11137, 12040, 12728, 15910, 22274, 31820, 44548, 55685, 63640, 89096, 111370, 222740, 445480]

約数ペア:

[(1, 445480), (2, 222740), (4, 111370), (5, 89096), (7, 63640), (8, 55685), (10, 44548), (14, 31820), (20, 22274), (28, 15910), (35, 12728), (37, 12040), (40, 11137), (43, 10360), (56, 7955), (70, 6364), (74, 6020), (86, 5180), (140, 3182), (148, 3010), (172, 2590), (185, 2408), (215, 2072), (259, 1720), (280, 1591), (296, 1505), (301, 1480), (344, 1295), (370, 1204), (430, 1036), (518, 860), (602, 740)]