257102800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:377

約数の個数: 120

約数和(自身を含む): 645630552

約数和(自身を除く): 388527752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 61, 80, 82, 100, 122, 164, 200, 205, 244, 257, 305, 328, 400, 410, 488, 514, 610, 656, 820, 976, 1025, 1028, 1220, 1285, 1525, 1640, 2050, 2056, 2440, 2501, 2570, 3050, 3280, 4100, 4112, 4880, 5002, 5140, 6100, 6425, 8200, 10004, 10280, 10537, 12200, 12505, 12850, 15677, 16400, 20008, 20560, 21074, 24400, 25010, 25700, 31354, 40016, 42148, 50020, 51400, 52685, 62525, 62708, 78385, 84296, 100040, 102800, 105370, 125050, 125416, 156770, 168592, 200080, 210740, 250100, 250832, 263425, 313540, 391925, 421480, 500200, 526850, 627080, 642757, 783850, 842960, 1000400, 1053700, 1254160, 1285514, 1567700, 2107400, 2571028, 3135400, 3213785, 4214800, 5142056, 6270800, 6427570, 10284112, 12855140, 16068925, 25710280, 32137850, 51420560, 64275700, 128551400, 257102800]

約数ペア:

[(1, 257102800), (2, 128551400), (4, 64275700), (5, 51420560), (8, 32137850), (10, 25710280), (16, 16068925), (20, 12855140), (25, 10284112), (40, 6427570), (41, 6270800), (50, 5142056), (61, 4214800), (80, 3213785), (82, 3135400), (100, 2571028), (122, 2107400), (164, 1567700), (200, 1285514), (205, 1254160), (244, 1053700), (257, 1000400), (305, 842960), (328, 783850), (400, 642757), (410, 627080), (488, 526850), (514, 500200), (610, 421480), (656, 391925), (820, 313540), (976, 263425), (1025, 250832), (1028, 250100), (1220, 210740), (1285, 200080), (1525, 168592), (1640, 156770), (2050, 125416), (2056, 125050), (2440, 105370), (2501, 102800), (2570, 100040), (3050, 84296), (3280, 78385), (4100, 62708), (4112, 62525), (4880, 52685), (5002, 51400), (5140, 50020), (6100, 42148), (6425, 40016), (8200, 31354), (10004, 25700), (10280, 25010), (10537, 24400), (12200, 21074), (12505, 20560), (12850, 20008), (15677, 16400)]