278322780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{42557}}^1$

素因数の和:42678

約数の個数: 48

約数和(自身を含む): 786471840

約数和(自身を除く): 508149060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540, 42557, 85114, 127671, 170228, 212785, 255342, 425570, 510684, 638355, 851140, 1276710, 2553420, 4638713, 9277426, 13916139, 18554852, 23193565, 27832278, 46387130, 55664556, 69580695, 92774260, 139161390, 278322780]

約数ペア:

[(1, 278322780), (2, 139161390), (3, 92774260), (4, 69580695), (5, 55664556), (6, 46387130), (10, 27832278), (12, 23193565), (15, 18554852), (20, 13916139), (30, 9277426), (60, 4638713), (109, 2553420), (218, 1276710), (327, 851140), (436, 638355), (545, 510684), (654, 425570), (1090, 255342), (1308, 212785), (1635, 170228), (2180, 127671), (3270, 85114), (6540, 42557)]