1900384444

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{1217}}^1$

素因数の和:1523

約数の個数: 72

約数和(自身を含む): 4012267392

約数和(自身を除く): 2111882948

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 257, 434, 514, 868, 1028, 1217, 1519, 1799, 2434, 3038, 3598, 4868, 6076, 7196, 7967, 8519, 12593, 15934, 17038, 25186, 31868, 34076, 37727, 50372, 55769, 59633, 75454, 111538, 119266, 150908, 223076, 238532, 264089, 312769, 390383, 528178, 625538, 780766, 1056356, 1251076, 1561532, 1848623, 2189383, 3697246, 4378766, 7394492, 8757532, 9695839, 15325681, 19391678, 30651362, 38783356, 61302724, 67870873, 135741746, 271483492, 475096111, 950192222, 1900384444]

約数ペア:

[(1, 1900384444), (2, 950192222), (4, 475096111), (7, 271483492), (14, 135741746), (28, 67870873), (31, 61302724), (49, 38783356), (62, 30651362), (98, 19391678), (124, 15325681), (196, 9695839), (217, 8757532), (257, 7394492), (434, 4378766), (514, 3697246), (868, 2189383), (1028, 1848623), (1217, 1561532), (1519, 1251076), (1799, 1056356), (2434, 780766), (3038, 625538), (3598, 528178), (4868, 390383), (6076, 312769), (7196, 264089), (7967, 238532), (8519, 223076), (12593, 150908), (15934, 119266), (17038, 111538), (25186, 75454), (31868, 59633), (34076, 55769), (37727, 50372)]