231475970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:683

約数の個数: 64

約数和(自身を含む): 474336000

約数和(自身を除く): 242860030

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 149, 290, 298, 319, 487, 638, 745, 974, 1490, 1595, 1639, 2435, 3190, 3278, 4321, 4870, 5357, 8195, 8642, 10714, 14123, 16390, 21605, 26785, 28246, 43210, 47531, 53570, 70615, 72563, 95062, 141230, 145126, 155353, 237655, 310706, 362815, 475310, 725630, 776765, 798193, 1553530, 1596386, 2104327, 3990965, 4208654, 7981930, 10521635, 21043270, 23147597, 46295194, 115737985, 231475970]

約数ペア:

[(1, 231475970), (2, 115737985), (5, 46295194), (10, 23147597), (11, 21043270), (22, 10521635), (29, 7981930), (55, 4208654), (58, 3990965), (110, 2104327), (145, 1596386), (149, 1553530), (290, 798193), (298, 776765), (319, 725630), (487, 475310), (638, 362815), (745, 310706), (974, 237655), (1490, 155353), (1595, 145126), (1639, 141230), (2435, 95062), (3190, 72563), (3278, 70615), (4321, 53570), (4870, 47531), (5357, 43210), (8195, 28246), (8642, 26785), (10714, 21605), (14123, 16390)]