138038120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 356227200

約数和(自身を除く): 218189080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 61, 74, 88, 110, 122, 139, 148, 185, 220, 244, 278, 296, 305, 370, 407, 440, 488, 556, 610, 671, 695, 740, 814, 1112, 1220, 1342, 1390, 1480, 1529, 1628, 2035, 2257, 2440, 2684, 2780, 3058, 3256, 3355, 4070, 4514, 5143, 5368, 5560, 6116, 6710, 7645, 8140, 8479, 9028, 10286, 11285, 12232, 13420, 15290, 16280, 16958, 18056, 20572, 22570, 24827, 25715, 26840, 30580, 33916, 41144, 42395, 45140, 49654, 51430, 56573, 61160, 67832, 84790, 90280, 93269, 99308, 102860, 113146, 124135, 169580, 186538, 198616, 205720, 226292, 248270, 282865, 313723, 339160, 373076, 452584, 466345, 496540, 565730, 627446, 746152, 932690, 993080, 1131460, 1254892, 1568615, 1865380, 2262920, 2509784, 3137230, 3450953, 3730760, 6274460, 6901906, 12548920, 13803812, 17254765, 27607624, 34509530, 69019060, 138038120]

約数ペア:

[(1, 138038120), (2, 69019060), (4, 34509530), (5, 27607624), (8, 17254765), (10, 13803812), (11, 12548920), (20, 6901906), (22, 6274460), (37, 3730760), (40, 3450953), (44, 3137230), (55, 2509784), (61, 2262920), (74, 1865380), (88, 1568615), (110, 1254892), (122, 1131460), (139, 993080), (148, 932690), (185, 746152), (220, 627446), (244, 565730), (278, 496540), (296, 466345), (305, 452584), (370, 373076), (407, 339160), (440, 313723), (488, 282865), (556, 248270), (610, 226292), (671, 205720), (695, 198616), (740, 186538), (814, 169580), (1112, 124135), (1220, 113146), (1342, 102860), (1390, 99308), (1480, 93269), (1529, 90280), (1628, 84790), (2035, 67832), (2257, 61160), (2440, 56573), (2684, 51430), (2780, 49654), (3058, 45140), (3256, 42395), (3355, 41144), (4070, 33916), (4514, 30580), (5143, 26840), (5368, 25715), (5560, 24827), (6116, 22570), (6710, 20572), (7645, 18056), (8140, 16958), (8479, 16280), (9028, 15290), (10286, 13420), (11285, 12232)]