205608880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 545054400

約数和(自身を除く): 339445520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 73, 76, 80, 85, 95, 109, 136, 146, 152, 170, 190, 218, 272, 292, 304, 323, 340, 365, 380, 436, 545, 584, 646, 680, 730, 760, 872, 1090, 1168, 1241, 1292, 1360, 1387, 1460, 1520, 1615, 1744, 1853, 2071, 2180, 2482, 2584, 2774, 2920, 3230, 3706, 4142, 4360, 4964, 5168, 5548, 5840, 6205, 6460, 6935, 7412, 7957, 8284, 8720, 9265, 9928, 10355, 11096, 12410, 12920, 13870, 14824, 15914, 16568, 18530, 19856, 20710, 22192, 23579, 24820, 25840, 27740, 29648, 31828, 33136, 35207, 37060, 39785, 41420, 47158, 49640, 55480, 63656, 70414, 74120, 79570, 82840, 94316, 99280, 110960, 117895, 127312, 135269, 140828, 148240, 151183, 159140, 165680, 176035, 188632, 235790, 270538, 281656, 302366, 318280, 352070, 377264, 471580, 541076, 563312, 604732, 636560, 676345, 704140, 755915, 943160, 1082152, 1209464, 1352690, 1408280, 1511830, 1886320, 2164304, 2418928, 2570111, 2705380, 2816560, 3023660, 5140222, 5410760, 6047320, 10280444, 10821520, 12094640, 12850555, 20560888, 25701110, 41121776, 51402220, 102804440, 205608880]

約数ペア:

[(1, 205608880), (2, 102804440), (4, 51402220), (5, 41121776), (8, 25701110), (10, 20560888), (16, 12850555), (17, 12094640), (19, 10821520), (20, 10280444), (34, 6047320), (38, 5410760), (40, 5140222), (68, 3023660), (73, 2816560), (76, 2705380), (80, 2570111), (85, 2418928), (95, 2164304), (109, 1886320), (136, 1511830), (146, 1408280), (152, 1352690), (170, 1209464), (190, 1082152), (218, 943160), (272, 755915), (292, 704140), (304, 676345), (323, 636560), (340, 604732), (365, 563312), (380, 541076), (436, 471580), (545, 377264), (584, 352070), (646, 318280), (680, 302366), (730, 281656), (760, 270538), (872, 235790), (1090, 188632), (1168, 176035), (1241, 165680), (1292, 159140), (1360, 151183), (1387, 148240), (1460, 140828), (1520, 135269), (1615, 127312), (1744, 117895), (1853, 110960), (2071, 99280), (2180, 94316), (2482, 82840), (2584, 79570), (2774, 74120), (2920, 70414), (3230, 63656), (3706, 55480), (4142, 49640), (4360, 47158), (4964, 41420), (5168, 39785), (5548, 37060), (5840, 35207), (6205, 33136), (6460, 31828), (6935, 29648), (7412, 27740), (7957, 25840), (8284, 24820), (8720, 23579), (9265, 22192), (9928, 20710), (10355, 19856), (11096, 18530), (12410, 16568), (12920, 15914), (13870, 14824)]