201312440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{718973}}^1$

素因数の和:718991

約数の個数: 32

約数和(自身を含む): 517661280

約数和(自身を除く): 316348840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 718973, 1437946, 2875892, 3594865, 5032811, 5751784, 7189730, 10065622, 14379460, 20131244, 25164055, 28758920, 40262488, 50328110, 100656220, 201312440]

約数ペア:

[(1, 201312440), (2, 100656220), (4, 50328110), (5, 40262488), (7, 28758920), (8, 25164055), (10, 20131244), (14, 14379460), (20, 10065622), (28, 7189730), (35, 5751784), (40, 5032811), (56, 3594865), (70, 2875892), (140, 1437946), (280, 718973)]