278317930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2119

約数の個数: 64

約数和(自身を含む): 578793600

約数和(自身を除く): 300475670

約数列:

[1, 2, 5, 10, 11, 22, 29, 43, 55, 58, 86, 110, 145, 215, 290, 319, 430, 473, 638, 946, 1247, 1595, 2029, 2365, 2494, 3190, 4058, 4730, 6235, 10145, 12470, 13717, 20290, 22319, 27434, 44638, 58841, 68585, 87247, 111595, 117682, 137170, 174494, 223190, 294205, 436235, 588410, 647251, 872470, 959717, 1294502, 1919434, 2530163, 3236255, 4798585, 5060326, 6472510, 9597170, 12650815, 25301630, 27831793, 55663586, 139158965, 278317930]

約数ペア:

[(1, 278317930), (2, 139158965), (5, 55663586), (10, 27831793), (11, 25301630), (22, 12650815), (29, 9597170), (43, 6472510), (55, 5060326), (58, 4798585), (86, 3236255), (110, 2530163), (145, 1919434), (215, 1294502), (290, 959717), (319, 872470), (430, 647251), (473, 588410), (638, 436235), (946, 294205), (1247, 223190), (1595, 174494), (2029, 137170), (2365, 117682), (2494, 111595), (3190, 87247), (4058, 68585), (4730, 58841), (6235, 44638), (10145, 27434), (12470, 22319), (13717, 20290)]