945140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 2335872

約数和(自身を除く): 1390732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 157, 172, 215, 301, 314, 430, 602, 628, 785, 860, 1099, 1204, 1505, 1570, 2198, 3010, 3140, 4396, 5495, 6020, 6751, 10990, 13502, 21980, 27004, 33755, 47257, 67510, 94514, 135020, 189028, 236285, 472570, 945140]

約数ペア:

[(1, 945140), (2, 472570), (4, 236285), (5, 189028), (7, 135020), (10, 94514), (14, 67510), (20, 47257), (28, 33755), (35, 27004), (43, 21980), (70, 13502), (86, 10990), (140, 6751), (157, 6020), (172, 5495), (215, 4396), (301, 3140), (314, 3010), (430, 2198), (602, 1570), (628, 1505), (785, 1204), (860, 1099)]