157680740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7559}}^1$

素因数の和:7724

約数の個数: 48

約数和(自身を含む): 381024000

約数和(自身を除く): 223343260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 7559, 10430, 15118, 20860, 30236, 37795, 52913, 75590, 105826, 151180, 211652, 264565, 529130, 1058260, 1126291, 2252582, 4505164, 5631455, 7884037, 11262910, 15768074, 22525820, 31536148, 39420185, 78840370, 157680740]

約数ペア:

[(1, 157680740), (2, 78840370), (4, 39420185), (5, 31536148), (7, 22525820), (10, 15768074), (14, 11262910), (20, 7884037), (28, 5631455), (35, 4505164), (70, 2252582), (140, 1126291), (149, 1058260), (298, 529130), (596, 264565), (745, 211652), (1043, 151180), (1490, 105826), (2086, 75590), (2980, 52913), (4172, 37795), (5215, 30236), (7559, 20860), (10430, 15118)]