1280493950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{16619}}^1$

素因数の和:16721

約数の個数: 48

約数和(自身を含む): 2522517120

約数和(自身を除く): 1242023170

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 67, 115, 134, 230, 335, 575, 670, 1150, 1541, 1675, 3082, 3350, 7705, 15410, 16619, 33238, 38525, 77050, 83095, 166190, 382237, 415475, 764474, 830950, 1113473, 1911185, 2226946, 3822370, 5567365, 9555925, 11134730, 19111850, 25609879, 27836825, 51219758, 55673650, 128049395, 256098790, 640246975, 1280493950]

約数ペア:

[(1, 1280493950), (2, 640246975), (5, 256098790), (10, 128049395), (23, 55673650), (25, 51219758), (46, 27836825), (50, 25609879), (67, 19111850), (115, 11134730), (134, 9555925), (230, 5567365), (335, 3822370), (575, 2226946), (670, 1911185), (1150, 1113473), (1541, 830950), (1675, 764474), (3082, 415475), (3350, 382237), (7705, 166190), (15410, 83095), (16619, 77050), (33238, 38525)]