218380400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3391}}^1$

素因数の和:3439

約数の個数: 120

約数和(自身を含む): 625864704

約数和(自身を除く): 407484304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 1840, 2300, 2576, 2800, 3220, 3391, 4025, 4600, 6440, 6782, 8050, 9200, 12880, 13564, 16100, 16955, 23737, 27128, 32200, 33910, 47474, 54256, 64400, 67820, 77993, 84775, 94948, 118685, 135640, 155986, 169550, 189896, 237370, 271280, 311972, 339100, 379792, 389965, 474740, 545951, 593425, 623944, 678200, 779930, 949480, 1091902, 1186850, 1247888, 1356400, 1559860, 1898960, 1949825, 2183804, 2373700, 2729755, 3119720, 3899650, 4367608, 4747400, 5459510, 6239440, 7799300, 8735216, 9494800, 10919020, 13648775, 15598600, 21838040, 27297550, 31197200, 43676080, 54595100, 109190200, 218380400]

約数ペア:

[(1, 218380400), (2, 109190200), (4, 54595100), (5, 43676080), (7, 31197200), (8, 27297550), (10, 21838040), (14, 15598600), (16, 13648775), (20, 10919020), (23, 9494800), (25, 8735216), (28, 7799300), (35, 6239440), (40, 5459510), (46, 4747400), (50, 4367608), (56, 3899650), (70, 3119720), (80, 2729755), (92, 2373700), (100, 2183804), (112, 1949825), (115, 1898960), (140, 1559860), (161, 1356400), (175, 1247888), (184, 1186850), (200, 1091902), (230, 949480), (280, 779930), (322, 678200), (350, 623944), (368, 593425), (400, 545951), (460, 474740), (560, 389965), (575, 379792), (644, 339100), (700, 311972), (805, 271280), (920, 237370), (1150, 189896), (1288, 169550), (1400, 155986), (1610, 135640), (1840, 118685), (2300, 94948), (2576, 84775), (2800, 77993), (3220, 67820), (3391, 64400), (4025, 54256), (4600, 47474), (6440, 33910), (6782, 32200), (8050, 27128), (9200, 23737), (12880, 16955), (13564, 16100)]