67686920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241739}}^1$

素因数の和:241757

約数の個数: 32

約数和(自身を含む): 174052800

約数和(自身を除く): 106365880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 241739, 483478, 966956, 1208695, 1692173, 1933912, 2417390, 3384346, 4834780, 6768692, 8460865, 9669560, 13537384, 16921730, 33843460, 67686920]

約数ペア:

[(1, 67686920), (2, 33843460), (4, 16921730), (5, 13537384), (7, 9669560), (8, 8460865), (10, 6768692), (14, 4834780), (20, 3384346), (28, 2417390), (35, 1933912), (40, 1692173), (56, 1208695), (70, 966956), (140, 483478), (280, 241739)]