13947640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 36273600

約数和(自身を除く): 22325960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 457, 545, 763, 872, 914, 1090, 1526, 1828, 2180, 2285, 3052, 3199, 3656, 3815, 4360, 4570, 6104, 6398, 7630, 9140, 12796, 15260, 15995, 18280, 25592, 30520, 31990, 49813, 63980, 99626, 127960, 199252, 249065, 348691, 398504, 498130, 697382, 996260, 1394764, 1743455, 1992520, 2789528, 3486910, 6973820, 13947640]

約数ペア:

[(1, 13947640), (2, 6973820), (4, 3486910), (5, 2789528), (7, 1992520), (8, 1743455), (10, 1394764), (14, 996260), (20, 697382), (28, 498130), (35, 398504), (40, 348691), (56, 249065), (70, 199252), (109, 127960), (140, 99626), (218, 63980), (280, 49813), (436, 31990), (457, 30520), (545, 25592), (763, 18280), (872, 15995), (914, 15260), (1090, 12796), (1526, 9140), (1828, 7630), (2180, 6398), (2285, 6104), (3052, 4570), (3199, 4360), (3656, 3815)]