51644890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 107308800

約数和(自身を除く): 55663910

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 137, 149, 230, 253, 274, 298, 506, 685, 745, 1265, 1370, 1490, 1507, 1639, 2530, 3014, 3151, 3278, 3427, 6302, 6854, 7535, 8195, 15070, 15755, 16390, 17135, 20413, 31510, 34270, 34661, 37697, 40826, 69322, 75394, 102065, 173305, 188485, 204130, 224543, 346610, 376970, 449086, 469499, 938998, 1122715, 2245430, 2347495, 4694990, 5164489, 10328978, 25822445, 51644890]

約数ペア:

[(1, 51644890), (2, 25822445), (5, 10328978), (10, 5164489), (11, 4694990), (22, 2347495), (23, 2245430), (46, 1122715), (55, 938998), (110, 469499), (115, 449086), (137, 376970), (149, 346610), (230, 224543), (253, 204130), (274, 188485), (298, 173305), (506, 102065), (685, 75394), (745, 69322), (1265, 40826), (1370, 37697), (1490, 34661), (1507, 34270), (1639, 31510), (2530, 20413), (3014, 17135), (3151, 16390), (3278, 15755), (3427, 15070), (6302, 8195), (6854, 7535)]