272440

素因数分解:

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

素因数の和:164

約数の個数: 48

約数和(自身を含む): 718200

約数和(自身を除く): 445760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 139, 140, 196, 245, 278, 280, 392, 490, 556, 695, 973, 980, 1112, 1390, 1946, 1960, 2780, 3892, 4865, 5560, 6811, 7784, 9730, 13622, 19460, 27244, 34055, 38920, 54488, 68110, 136220, 272440]

約数ペア:

[(1, 272440), (2, 136220), (4, 68110), (5, 54488), (7, 38920), (8, 34055), (10, 27244), (14, 19460), (20, 13622), (28, 9730), (35, 7784), (40, 6811), (49, 5560), (56, 4865), (70, 3892), (98, 2780), (139, 1960), (140, 1946), (196, 1390), (245, 1112), (278, 980), (280, 973), (392, 695), (490, 556)]