139026020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26839}}^1$

素因数の和:26892

約数の個数: 48

約数和(自身を含む): 342693120

約数和(自身を除く): 203667100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 26839, 53678, 107356, 134195, 187873, 268390, 375746, 536780, 751492, 939365, 993043, 1878730, 1986086, 3757460, 3972172, 4965215, 6951301, 9930430, 13902602, 19860860, 27805204, 34756505, 69513010, 139026020]

約数ペア:

[(1, 139026020), (2, 69513010), (4, 34756505), (5, 27805204), (7, 19860860), (10, 13902602), (14, 9930430), (20, 6951301), (28, 4965215), (35, 3972172), (37, 3757460), (70, 1986086), (74, 1878730), (140, 993043), (148, 939365), (185, 751492), (259, 536780), (370, 375746), (518, 268390), (740, 187873), (1036, 134195), (1295, 107356), (2590, 53678), (5180, 26839)]