157898440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4057}}^1$

素因数の和:4214

約数の個数: 64

約数和(自身を含む): 409046400

約数和(自身を除く): 251147960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4057, 4865, 5560, 7784, 8114, 9730, 16228, 19460, 20285, 28399, 32456, 38920, 40570, 56798, 81140, 113596, 141995, 162280, 227192, 283990, 563923, 567980, 1127846, 1135960, 2255692, 2819615, 3947461, 4511384, 5639230, 7894922, 11278460, 15789844, 19737305, 22556920, 31579688, 39474610, 78949220, 157898440]

約数ペア:

[(1, 157898440), (2, 78949220), (4, 39474610), (5, 31579688), (7, 22556920), (8, 19737305), (10, 15789844), (14, 11278460), (20, 7894922), (28, 5639230), (35, 4511384), (40, 3947461), (56, 2819615), (70, 2255692), (139, 1135960), (140, 1127846), (278, 567980), (280, 563923), (556, 283990), (695, 227192), (973, 162280), (1112, 141995), (1390, 113596), (1946, 81140), (2780, 56798), (3892, 40570), (4057, 38920), (4865, 32456), (5560, 28399), (7784, 20285), (8114, 19460), (9730, 16228)]