138860890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{86249}}^1$

素因数の和:86286

約数の個数: 32

約数和(自身を含む): 298080000

約数和(自身を除く): 159219110

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 86249, 172498, 431245, 603743, 862490, 1207486, 1983727, 3018715, 3967454, 6037430, 9918635, 13886089, 19837270, 27772178, 69430445, 138860890]

約数ペア:

[(1, 138860890), (2, 69430445), (5, 27772178), (7, 19837270), (10, 13886089), (14, 9918635), (23, 6037430), (35, 3967454), (46, 3018715), (70, 1983727), (115, 1207486), (161, 862490), (230, 603743), (322, 431245), (805, 172498), (1610, 86249)]