86908280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 207338400

約数和(自身を除く): 120430120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 173, 190, 346, 380, 661, 692, 760, 865, 1322, 1384, 1730, 2644, 3287, 3305, 3460, 5288, 6574, 6610, 6920, 12559, 13148, 13220, 16435, 25118, 26296, 26440, 32870, 50236, 62795, 65740, 100472, 114353, 125590, 131480, 228706, 251180, 457412, 502360, 571765, 914824, 1143530, 2172707, 2287060, 4345414, 4574120, 8690828, 10863535, 17381656, 21727070, 43454140, 86908280]

約数ペア:

[(1, 86908280), (2, 43454140), (4, 21727070), (5, 17381656), (8, 10863535), (10, 8690828), (19, 4574120), (20, 4345414), (38, 2287060), (40, 2172707), (76, 1143530), (95, 914824), (152, 571765), (173, 502360), (190, 457412), (346, 251180), (380, 228706), (661, 131480), (692, 125590), (760, 114353), (865, 100472), (1322, 65740), (1384, 62795), (1730, 50236), (2644, 32870), (3287, 26440), (3305, 26296), (3460, 25118), (5288, 16435), (6574, 13220), (6610, 13148), (6920, 12559)]