139679428

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 300283200

約数和(自身を除く): 160603772

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 179, 203, 217, 358, 406, 434, 716, 812, 868, 899, 961, 1253, 1798, 1922, 2506, 3596, 3844, 5012, 5191, 5549, 6293, 6727, 10382, 11098, 12586, 13454, 20764, 22196, 25172, 26908, 27869, 36337, 38843, 55738, 72674, 77686, 111476, 145348, 155372, 160921, 172019, 195083, 321842, 344038, 390166, 643684, 688076, 780332, 1126447, 1204133, 2252894, 2408266, 4505788, 4816532, 4988551, 9977102, 19954204, 34919857, 69839714, 139679428]

約数ペア:

[(1, 139679428), (2, 69839714), (4, 34919857), (7, 19954204), (14, 9977102), (28, 4988551), (29, 4816532), (31, 4505788), (58, 2408266), (62, 2252894), (116, 1204133), (124, 1126447), (179, 780332), (203, 688076), (217, 643684), (358, 390166), (406, 344038), (434, 321842), (716, 195083), (812, 172019), (868, 160921), (899, 155372), (961, 145348), (1253, 111476), (1798, 77686), (1922, 72674), (2506, 55738), (3596, 38843), (3844, 36337), (5012, 27869), (5191, 26908), (5549, 25172), (6293, 22196), (6727, 20764), (10382, 13454), (11098, 12586)]