140654288

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{683}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 278705376

約数和(自身を除く): 138051088

約数列:

[1, 2, 4, 8, 16, 61, 122, 211, 244, 422, 488, 683, 844, 976, 1366, 1688, 2732, 3376, 5464, 10928, 12871, 25742, 41663, 51484, 83326, 102968, 144113, 166652, 205936, 288226, 333304, 576452, 666608, 1152904, 2305808, 8790893, 17581786, 35163572, 70327144, 140654288]

約数ペア:

[(1, 140654288), (2, 70327144), (4, 35163572), (8, 17581786), (16, 8790893), (61, 2305808), (122, 1152904), (211, 666608), (244, 576452), (422, 333304), (488, 288226), (683, 205936), (844, 166652), (976, 144113), (1366, 102968), (1688, 83326), (2732, 51484), (3376, 41663), (5464, 25742), (10928, 12871)]