31440310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 70025472

約数和(自身を除く): 38585162

約数列:

[1, 2, 5, 10, 11, 17, 22, 23, 34, 43, 46, 55, 85, 86, 110, 115, 170, 187, 215, 230, 253, 289, 374, 391, 430, 473, 506, 578, 731, 782, 935, 946, 989, 1265, 1445, 1462, 1870, 1955, 1978, 2365, 2530, 2890, 3179, 3655, 3910, 4301, 4730, 4945, 6358, 6647, 7310, 8041, 8602, 9890, 10879, 12427, 13294, 15895, 16082, 16813, 21505, 21758, 24854, 31790, 33235, 33626, 40205, 43010, 54395, 62135, 66470, 73117, 80410, 84065, 108790, 124270, 136697, 146234, 168130, 184943, 273394, 285821, 365585, 369886, 571642, 683485, 731170, 924715, 1366970, 1429105, 1849430, 2858210, 3144031, 6288062, 15720155, 31440310]

約数ペア:

[(1, 31440310), (2, 15720155), (5, 6288062), (10, 3144031), (11, 2858210), (17, 1849430), (22, 1429105), (23, 1366970), (34, 924715), (43, 731170), (46, 683485), (55, 571642), (85, 369886), (86, 365585), (110, 285821), (115, 273394), (170, 184943), (187, 168130), (215, 146234), (230, 136697), (253, 124270), (289, 108790), (374, 84065), (391, 80410), (430, 73117), (473, 66470), (506, 62135), (578, 54395), (731, 43010), (782, 40205), (935, 33626), (946, 33235), (989, 31790), (1265, 24854), (1445, 21758), (1462, 21505), (1870, 16813), (1955, 16082), (1978, 15895), (2365, 13294), (2530, 12427), (2890, 10879), (3179, 9890), (3655, 8602), (3910, 8041), (4301, 7310), (4730, 6647), (4945, 6358)]