39578140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14879}}^1$

素因数の和:14914

約数の個数: 48

約数和(自身を含む): 99993600

約数和(自身を除く): 60415460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 14879, 29758, 59516, 74395, 104153, 148790, 208306, 282701, 297580, 416612, 520765, 565402, 1041530, 1130804, 1413505, 1978907, 2083060, 2827010, 3957814, 5654020, 7915628, 9894535, 19789070, 39578140]

約数ペア:

[(1, 39578140), (2, 19789070), (4, 9894535), (5, 7915628), (7, 5654020), (10, 3957814), (14, 2827010), (19, 2083060), (20, 1978907), (28, 1413505), (35, 1130804), (38, 1041530), (70, 565402), (76, 520765), (95, 416612), (133, 297580), (140, 282701), (190, 208306), (266, 148790), (380, 104153), (532, 74395), (665, 59516), (1330, 29758), (2660, 14879)]