149128240

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4079}}^1$

素因数の和:4549

約数の個数: 40

約数和(自身を含む): 347567040

約数和(自身を除く): 198438800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1828, 2285, 3656, 4079, 4570, 7312, 8158, 9140, 16316, 18280, 20395, 32632, 36560, 40790, 65264, 81580, 163160, 326320, 1864103, 3728206, 7456412, 9320515, 14912824, 18641030, 29825648, 37282060, 74564120, 149128240]

約数ペア:

[(1, 149128240), (2, 74564120), (4, 37282060), (5, 29825648), (8, 18641030), (10, 14912824), (16, 9320515), (20, 7456412), (40, 3728206), (80, 1864103), (457, 326320), (914, 163160), (1828, 81580), (2285, 65264), (3656, 40790), (4079, 36560), (4570, 32632), (7312, 20395), (8158, 18280), (9140, 16316)]