388261720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3407}}^1$

素因数の和:3473

約数の個数: 128

約数和(自身を含む): 1118914560

約数和(自身を除く): 730652840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 185, 220, 259, 280, 296, 308, 370, 385, 407, 440, 518, 616, 740, 770, 814, 1036, 1295, 1480, 1540, 1628, 2035, 2072, 2590, 2849, 3080, 3256, 3407, 4070, 5180, 5698, 6814, 8140, 10360, 11396, 13628, 14245, 16280, 17035, 22792, 23849, 27256, 28490, 34070, 37477, 47698, 56980, 68140, 74954, 95396, 113960, 119245, 126059, 136280, 149908, 187385, 190792, 238490, 252118, 262339, 299816, 374770, 476980, 504236, 524678, 630295, 749540, 882413, 953960, 1008472, 1049356, 1260590, 1311695, 1386649, 1499080, 1764826, 2098712, 2521180, 2623390, 2773298, 3529652, 4412065, 5042360, 5246780, 5546596, 6933245, 7059304, 8824130, 9706543, 10493560, 11093192, 13866490, 17648260, 19413086, 27732980, 35296520, 38826172, 48532715, 55465960, 77652344, 97065430, 194130860, 388261720]

約数ペア:

[(1, 388261720), (2, 194130860), (4, 97065430), (5, 77652344), (7, 55465960), (8, 48532715), (10, 38826172), (11, 35296520), (14, 27732980), (20, 19413086), (22, 17648260), (28, 13866490), (35, 11093192), (37, 10493560), (40, 9706543), (44, 8824130), (55, 7059304), (56, 6933245), (70, 5546596), (74, 5246780), (77, 5042360), (88, 4412065), (110, 3529652), (140, 2773298), (148, 2623390), (154, 2521180), (185, 2098712), (220, 1764826), (259, 1499080), (280, 1386649), (296, 1311695), (308, 1260590), (370, 1049356), (385, 1008472), (407, 953960), (440, 882413), (518, 749540), (616, 630295), (740, 524678), (770, 504236), (814, 476980), (1036, 374770), (1295, 299816), (1480, 262339), (1540, 252118), (1628, 238490), (2035, 190792), (2072, 187385), (2590, 149908), (2849, 136280), (3080, 126059), (3256, 119245), (3407, 113960), (4070, 95396), (5180, 74954), (5698, 68140), (6814, 56980), (8140, 47698), (10360, 37477), (11396, 34070), (13628, 28490), (14245, 27256), (16280, 23849), (17035, 22792)]