214920580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{10303}}^1$

素因数の和:10468

約数の個数: 48

約数和(自身を含む): 519321600

約数和(自身を除く): 304401020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10303, 10430, 20606, 20860, 41212, 51515, 72121, 103030, 144242, 206060, 288484, 360605, 721210, 1442420, 1535147, 3070294, 6140588, 7675735, 10746029, 15351470, 21492058, 30702940, 42984116, 53730145, 107460290, 214920580]

約数ペア:

[(1, 214920580), (2, 107460290), (4, 53730145), (5, 42984116), (7, 30702940), (10, 21492058), (14, 15351470), (20, 10746029), (28, 7675735), (35, 6140588), (70, 3070294), (140, 1535147), (149, 1442420), (298, 721210), (596, 360605), (745, 288484), (1043, 206060), (1490, 144242), (2086, 103030), (2980, 72121), (4172, 51515), (5215, 41212), (10303, 20860), (10430, 20606)]