214717720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2729}}^1$

素因数の和:3028

約数の個数: 64

約数和(自身を含む): 554299200

約数和(自身を除く): 339581480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1124, 1405, 1967, 2248, 2729, 2810, 3934, 5458, 5620, 7868, 9835, 10916, 11240, 13645, 15736, 19103, 19670, 21832, 27290, 38206, 39340, 54580, 76412, 78680, 95515, 109160, 152824, 191030, 382060, 764120, 766849, 1533698, 3067396, 3834245, 5367943, 6134792, 7668490, 10735886, 15336980, 21471772, 26839715, 30673960, 42943544, 53679430, 107358860, 214717720]

約数ペア:

[(1, 214717720), (2, 107358860), (4, 53679430), (5, 42943544), (7, 30673960), (8, 26839715), (10, 21471772), (14, 15336980), (20, 10735886), (28, 7668490), (35, 6134792), (40, 5367943), (56, 3834245), (70, 3067396), (140, 1533698), (280, 766849), (281, 764120), (562, 382060), (1124, 191030), (1405, 152824), (1967, 109160), (2248, 95515), (2729, 78680), (2810, 76412), (3934, 54580), (5458, 39340), (5620, 38206), (7868, 27290), (9835, 21832), (10916, 19670), (11240, 19103), (13645, 15736)]