257222800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:497

約数の個数: 120

約数和(自身を含む): 655386624

約数和(自身を除く): 398163824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 73, 80, 92, 100, 115, 146, 184, 200, 230, 292, 365, 368, 383, 400, 460, 575, 584, 730, 766, 920, 1150, 1168, 1460, 1532, 1679, 1825, 1840, 1915, 2300, 2920, 3064, 3358, 3650, 3830, 4600, 5840, 6128, 6716, 7300, 7660, 8395, 8809, 9200, 9575, 13432, 14600, 15320, 16790, 17618, 19150, 26864, 27959, 29200, 30640, 33580, 35236, 38300, 41975, 44045, 55918, 67160, 70472, 76600, 83950, 88090, 111836, 134320, 139795, 140944, 153200, 167900, 176180, 220225, 223672, 279590, 335800, 352360, 440450, 447344, 559180, 643057, 671600, 698975, 704720, 880900, 1118360, 1286114, 1397950, 1761800, 2236720, 2572228, 2795900, 3215285, 3523600, 5144456, 5591800, 6430570, 10288912, 11183600, 12861140, 16076425, 25722280, 32152850, 51444560, 64305700, 128611400, 257222800]

約数ペア:

[(1, 257222800), (2, 128611400), (4, 64305700), (5, 51444560), (8, 32152850), (10, 25722280), (16, 16076425), (20, 12861140), (23, 11183600), (25, 10288912), (40, 6430570), (46, 5591800), (50, 5144456), (73, 3523600), (80, 3215285), (92, 2795900), (100, 2572228), (115, 2236720), (146, 1761800), (184, 1397950), (200, 1286114), (230, 1118360), (292, 880900), (365, 704720), (368, 698975), (383, 671600), (400, 643057), (460, 559180), (575, 447344), (584, 440450), (730, 352360), (766, 335800), (920, 279590), (1150, 223672), (1168, 220225), (1460, 176180), (1532, 167900), (1679, 153200), (1825, 140944), (1840, 139795), (1915, 134320), (2300, 111836), (2920, 88090), (3064, 83950), (3358, 76600), (3650, 70472), (3830, 67160), (4600, 55918), (5840, 44045), (6128, 41975), (6716, 38300), (7300, 35236), (7660, 33580), (8395, 30640), (8809, 29200), (9200, 27959), (9575, 26864), (13432, 19150), (14600, 17618), (15320, 16790)]