139397720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{45259}}^1$

素因数の和:45288

約数の個数: 64

約数和(自身を含む): 391046400

約数和(自身を除く): 251648680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 45259, 90518, 181036, 226295, 316813, 362072, 452590, 497849, 633626, 905180, 995698, 1267252, 1584065, 1810360, 1991396, 2489245, 2534504, 3168130, 3484943, 3982792, 4978490, 6336260, 6969886, 9956980, 12672520, 13939772, 17424715, 19913960, 27879544, 34849430, 69698860, 139397720]

約数ペア:

[(1, 139397720), (2, 69698860), (4, 34849430), (5, 27879544), (7, 19913960), (8, 17424715), (10, 13939772), (11, 12672520), (14, 9956980), (20, 6969886), (22, 6336260), (28, 4978490), (35, 3982792), (40, 3484943), (44, 3168130), (55, 2534504), (56, 2489245), (70, 1991396), (77, 1810360), (88, 1584065), (110, 1267252), (140, 995698), (154, 905180), (220, 633626), (280, 497849), (308, 452590), (385, 362072), (440, 316813), (616, 226295), (770, 181036), (1540, 90518), (3080, 45259)]