137998720

素因数分解:

$2^7\times 5^1\times {\mathrm{257}}^1\times {\mathrm{839}}^1$

素因数の和:1115

約数の個数: 64

約数和(自身を含む): 331581600

約数和(自身を除く): 193582880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 257, 320, 514, 640, 839, 1028, 1285, 1678, 2056, 2570, 3356, 4112, 4195, 5140, 6712, 8224, 8390, 10280, 13424, 16448, 16780, 20560, 26848, 32896, 33560, 41120, 53696, 67120, 82240, 107392, 134240, 164480, 215623, 268480, 431246, 536960, 862492, 1078115, 1724984, 2156230, 3449968, 4312460, 6899936, 8624920, 13799872, 17249840, 27599744, 34499680, 68999360, 137998720]

約数ペア:

[(1, 137998720), (2, 68999360), (4, 34499680), (5, 27599744), (8, 17249840), (10, 13799872), (16, 8624920), (20, 6899936), (32, 4312460), (40, 3449968), (64, 2156230), (80, 1724984), (128, 1078115), (160, 862492), (257, 536960), (320, 431246), (514, 268480), (640, 215623), (839, 164480), (1028, 134240), (1285, 107392), (1678, 82240), (2056, 67120), (2570, 53696), (3356, 41120), (4112, 33560), (4195, 32896), (5140, 26848), (6712, 20560), (8224, 16780), (8390, 16448), (10280, 13424)]