257299600

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:629

約数の個数: 120

約数和(自身を含む): 656286120

約数和(自身を除く): 398986520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 41, 50, 58, 80, 82, 100, 116, 145, 164, 200, 205, 232, 290, 328, 400, 410, 464, 541, 580, 656, 725, 820, 1025, 1082, 1160, 1189, 1450, 1640, 2050, 2164, 2320, 2378, 2705, 2900, 3280, 4100, 4328, 4756, 5410, 5800, 5945, 8200, 8656, 9512, 10820, 11600, 11890, 13525, 15689, 16400, 19024, 21640, 22181, 23780, 27050, 29725, 31378, 43280, 44362, 47560, 54100, 59450, 62756, 78445, 88724, 95120, 108200, 110905, 118900, 125512, 156890, 177448, 216400, 221810, 237800, 251024, 313780, 354896, 392225, 443620, 475600, 554525, 627560, 643249, 784450, 887240, 1109050, 1255120, 1286498, 1568900, 1774480, 2218100, 2572996, 3137800, 3216245, 4436200, 5145992, 6275600, 6432490, 8872400, 10291984, 12864980, 16081225, 25729960, 32162450, 51459920, 64324900, 128649800, 257299600]

約数ペア:

[(1, 257299600), (2, 128649800), (4, 64324900), (5, 51459920), (8, 32162450), (10, 25729960), (16, 16081225), (20, 12864980), (25, 10291984), (29, 8872400), (40, 6432490), (41, 6275600), (50, 5145992), (58, 4436200), (80, 3216245), (82, 3137800), (100, 2572996), (116, 2218100), (145, 1774480), (164, 1568900), (200, 1286498), (205, 1255120), (232, 1109050), (290, 887240), (328, 784450), (400, 643249), (410, 627560), (464, 554525), (541, 475600), (580, 443620), (656, 392225), (725, 354896), (820, 313780), (1025, 251024), (1082, 237800), (1160, 221810), (1189, 216400), (1450, 177448), (1640, 156890), (2050, 125512), (2164, 118900), (2320, 110905), (2378, 108200), (2705, 95120), (2900, 88724), (3280, 78445), (4100, 62756), (4328, 59450), (4756, 54100), (5410, 47560), (5800, 44362), (5945, 43280), (8200, 31378), (8656, 29725), (9512, 27050), (10820, 23780), (11600, 22181), (11890, 21640), (13525, 19024), (15689, 16400)]