85416380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7723}}^1$

素因数の和:7818

約数の個数: 48

約数和(自身を含む): 207621120

約数和(自身を除く): 122204740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 7723, 11060, 15446, 30892, 38615, 54061, 77230, 108122, 154460, 216244, 270305, 540610, 610117, 1081220, 1220234, 2440468, 3050585, 4270819, 6101170, 8541638, 12202340, 17083276, 21354095, 42708190, 85416380]

約数ペア:

[(1, 85416380), (2, 42708190), (4, 21354095), (5, 17083276), (7, 12202340), (10, 8541638), (14, 6101170), (20, 4270819), (28, 3050585), (35, 2440468), (70, 1220234), (79, 1081220), (140, 610117), (158, 540610), (316, 270305), (395, 216244), (553, 154460), (790, 108122), (1106, 77230), (1580, 54061), (2212, 38615), (2765, 30892), (5530, 15446), (7723, 11060)]