13958420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 19789420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 557, 716, 895, 1114, 1253, 1790, 2228, 2506, 2785, 3580, 3899, 5012, 5570, 6265, 7798, 11140, 12530, 15596, 19495, 25060, 38990, 77980, 99703, 199406, 398812, 498515, 697921, 997030, 1395842, 1994060, 2791684, 3489605, 6979210, 13958420]

約数ペア:

[(1, 13958420), (2, 6979210), (4, 3489605), (5, 2791684), (7, 1994060), (10, 1395842), (14, 997030), (20, 697921), (28, 498515), (35, 398812), (70, 199406), (140, 99703), (179, 77980), (358, 38990), (557, 25060), (716, 19495), (895, 15596), (1114, 12530), (1253, 11140), (1790, 7798), (2228, 6265), (2506, 5570), (2785, 5012), (3580, 3899)]