29971370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20959}}^1$

素因数の和:20990

約数の個数: 32

約数和(自身を含む): 63383040

約数和(自身を除く): 33411670

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20959, 41918, 104795, 209590, 230549, 272467, 461098, 544934, 1152745, 1362335, 2305490, 2724670, 2997137, 5994274, 14985685, 29971370]

約数ペア:

[(1, 29971370), (2, 14985685), (5, 5994274), (10, 2997137), (11, 2724670), (13, 2305490), (22, 1362335), (26, 1152745), (55, 544934), (65, 461098), (110, 272467), (130, 230549), (143, 209590), (286, 104795), (715, 41918), (1430, 20959)]