204619520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 574838208

約数和(自身を除く): 370218688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 205, 224, 256, 280, 287, 320, 328, 410, 448, 557, 560, 574, 640, 656, 820, 896, 1114, 1120, 1148, 1280, 1312, 1435, 1640, 1792, 2228, 2240, 2296, 2624, 2785, 2870, 3280, 3899, 4456, 4480, 4592, 5248, 5570, 5740, 6560, 7798, 8912, 8960, 9184, 10496, 11140, 11480, 13120, 15596, 17824, 18368, 19495, 22280, 22837, 22960, 26240, 31192, 35648, 36736, 38990, 44560, 45674, 45920, 52480, 62384, 71296, 73472, 77980, 89120, 91348, 91840, 114185, 124768, 142592, 155960, 159859, 178240, 182696, 183680, 228370, 249536, 311920, 319718, 356480, 365392, 367360, 456740, 499072, 623840, 639436, 712960, 730784, 799295, 913480, 998144, 1247680, 1278872, 1461568, 1598590, 1826960, 2495360, 2557744, 2923136, 3197180, 3653920, 4990720, 5115488, 5846272, 6394360, 7307840, 10230976, 12788720, 14615680, 20461952, 25577440, 29231360, 40923904, 51154880, 102309760, 204619520]

約数ペア:

[(1, 204619520), (2, 102309760), (4, 51154880), (5, 40923904), (7, 29231360), (8, 25577440), (10, 20461952), (14, 14615680), (16, 12788720), (20, 10230976), (28, 7307840), (32, 6394360), (35, 5846272), (40, 5115488), (41, 4990720), (56, 3653920), (64, 3197180), (70, 2923136), (80, 2557744), (82, 2495360), (112, 1826960), (128, 1598590), (140, 1461568), (160, 1278872), (164, 1247680), (205, 998144), (224, 913480), (256, 799295), (280, 730784), (287, 712960), (320, 639436), (328, 623840), (410, 499072), (448, 456740), (557, 367360), (560, 365392), (574, 356480), (640, 319718), (656, 311920), (820, 249536), (896, 228370), (1114, 183680), (1120, 182696), (1148, 178240), (1280, 159859), (1312, 155960), (1435, 142592), (1640, 124768), (1792, 114185), (2228, 91840), (2240, 91348), (2296, 89120), (2624, 77980), (2785, 73472), (2870, 71296), (3280, 62384), (3899, 52480), (4456, 45920), (4480, 45674), (4592, 44560), (5248, 38990), (5570, 36736), (5740, 35648), (6560, 31192), (7798, 26240), (8912, 22960), (8960, 22837), (9184, 22280), (10496, 19495), (11140, 18368), (11480, 17824), (13120, 15596)]