63420140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3259}}^1$

素因数の和:3414

約数の個数: 48

約数和(自身を含む): 153350400

約数和(自身を除く): 89930260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3259, 3892, 4865, 6518, 9730, 13036, 16295, 19460, 22813, 32590, 45626, 65180, 91252, 114065, 228130, 453001, 456260, 906002, 1812004, 2265005, 3171007, 4530010, 6342014, 9060020, 12684028, 15855035, 31710070, 63420140]

約数ペア:

[(1, 63420140), (2, 31710070), (4, 15855035), (5, 12684028), (7, 9060020), (10, 6342014), (14, 4530010), (20, 3171007), (28, 2265005), (35, 1812004), (70, 906002), (139, 456260), (140, 453001), (278, 228130), (556, 114065), (695, 91252), (973, 65180), (1390, 45626), (1946, 32590), (2780, 22813), (3259, 19460), (3892, 16295), (4865, 13036), (6518, 9730)]