280168130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1237}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 577601280

約数和(自身を除く): 297433150

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 71, 110, 142, 145, 290, 319, 355, 638, 710, 781, 1237, 1562, 1595, 2059, 2474, 3190, 3905, 4118, 6185, 7810, 10295, 12370, 13607, 20590, 22649, 27214, 35873, 45298, 68035, 71746, 87827, 113245, 136070, 175654, 179365, 226490, 358730, 394603, 439135, 789206, 878270, 966097, 1932194, 1973015, 2546983, 3946030, 4830485, 5093966, 9660970, 12734915, 25469830, 28016813, 56033626, 140084065, 280168130]

約数ペア:

[(1, 280168130), (2, 140084065), (5, 56033626), (10, 28016813), (11, 25469830), (22, 12734915), (29, 9660970), (55, 5093966), (58, 4830485), (71, 3946030), (110, 2546983), (142, 1973015), (145, 1932194), (290, 966097), (319, 878270), (355, 789206), (638, 439135), (710, 394603), (781, 358730), (1237, 226490), (1562, 179365), (1595, 175654), (2059, 136070), (2474, 113245), (3190, 87827), (3905, 71746), (4118, 68035), (6185, 45298), (7810, 35873), (10295, 27214), (12370, 22649), (13607, 20590)]