98138540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 210470400

約数和(自身を除く): 112331860

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 179, 316, 347, 358, 395, 694, 716, 790, 895, 1388, 1580, 1735, 1790, 3470, 3580, 6940, 14141, 27413, 28282, 54826, 56564, 62113, 70705, 109652, 124226, 137065, 141410, 248452, 274130, 282820, 310565, 548260, 621130, 1242260, 4906927, 9813854, 19627708, 24534635, 49069270, 98138540]

約数ペア:

[(1, 98138540), (2, 49069270), (4, 24534635), (5, 19627708), (10, 9813854), (20, 4906927), (79, 1242260), (158, 621130), (179, 548260), (316, 310565), (347, 282820), (358, 274130), (395, 248452), (694, 141410), (716, 137065), (790, 124226), (895, 109652), (1388, 70705), (1580, 62113), (1735, 56564), (1790, 54826), (3470, 28282), (3580, 27413), (6940, 14141)]