430178980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{279337}}^1$

素因数の和:279364

約数の個数: 48

約数和(自身を含む): 1126290816

約数和(自身を除く): 696111836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 279337, 558674, 1117348, 1396685, 1955359, 2793370, 3072707, 3910718, 5586740, 6145414, 7821436, 9776795, 12290828, 15363535, 19553590, 21508949, 30727070, 39107180, 43017898, 61454140, 86035796, 107544745, 215089490, 430178980]

約数ペア:

[(1, 430178980), (2, 215089490), (4, 107544745), (5, 86035796), (7, 61454140), (10, 43017898), (11, 39107180), (14, 30727070), (20, 21508949), (22, 19553590), (28, 15363535), (35, 12290828), (44, 9776795), (55, 7821436), (70, 6145414), (77, 5586740), (110, 3910718), (140, 3072707), (154, 2793370), (220, 1955359), (308, 1396685), (385, 1117348), (770, 558674), (1540, 279337)]