30814420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16931}}^1$

素因数の和:16960

約数の個数: 48

約数和(自身を含む): 79648128

約数和(自身を除く): 48833708

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 16931, 33862, 67724, 84655, 118517, 169310, 220103, 237034, 338620, 440206, 474068, 592585, 880412, 1100515, 1185170, 1540721, 2201030, 2370340, 3081442, 4402060, 6162884, 7703605, 15407210, 30814420]

約数ペア:

[(1, 30814420), (2, 15407210), (4, 7703605), (5, 6162884), (7, 4402060), (10, 3081442), (13, 2370340), (14, 2201030), (20, 1540721), (26, 1185170), (28, 1100515), (35, 880412), (52, 592585), (65, 474068), (70, 440206), (91, 338620), (130, 237034), (140, 220103), (182, 169310), (260, 118517), (364, 84655), (455, 67724), (910, 33862), (1820, 16931)]