278311840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59981}}^1$

素因数の和:60025

約数の個数: 48

約数和(自身を含む): 680195880

約数和(自身を除く): 401884040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 59981, 119962, 239924, 299905, 479848, 599810, 959696, 1199620, 1739449, 1919392, 2399240, 3478898, 4798480, 6957796, 8697245, 9596960, 13915592, 17394490, 27831184, 34788980, 55662368, 69577960, 139155920, 278311840]

約数ペア:

[(1, 278311840), (2, 139155920), (4, 69577960), (5, 55662368), (8, 34788980), (10, 27831184), (16, 17394490), (20, 13915592), (29, 9596960), (32, 8697245), (40, 6957796), (58, 4798480), (80, 3478898), (116, 2399240), (145, 1919392), (160, 1739449), (232, 1199620), (290, 959696), (464, 599810), (580, 479848), (928, 299905), (1160, 239924), (2320, 119962), (4640, 59981)]