313090400

素因数分解:

$2^5\times 5^2\times 7^4\times {\mathrm{163}}^1$

素因数の和:211

約数の個数: 180

約数和(自身を含む): 897137892

約数和(自身を除く): 584047492

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 163, 175, 196, 200, 224, 245, 280, 326, 343, 350, 392, 400, 490, 560, 652, 686, 700, 784, 800, 815, 980, 1120, 1141, 1225, 1304, 1372, 1400, 1568, 1630, 1715, 1960, 2282, 2401, 2450, 2608, 2744, 2800, 3260, 3430, 3920, 4075, 4564, 4802, 4900, 5216, 5488, 5600, 5705, 6520, 6860, 7840, 7987, 8150, 8575, 9128, 9604, 9800, 10976, 11410, 12005, 13040, 13720, 15974, 16300, 17150, 18256, 19208, 19600, 22820, 24010, 26080, 27440, 28525, 31948, 32600, 34300, 36512, 38416, 39200, 39935, 45640, 48020, 54880, 55909, 57050, 60025, 63896, 65200, 68600, 76832, 79870, 91280, 96040, 111818, 114100, 120050, 127792, 130400, 137200, 159740, 182560, 192080, 199675, 223636, 228200, 240100, 255584, 274400, 279545, 319480, 384160, 391363, 399350, 447272, 456400, 480200, 559090, 638960, 782726, 798700, 894544, 912800, 960400, 1118180, 1277920, 1397725, 1565452, 1597400, 1789088, 1920800, 1956815, 2236360, 2795450, 3130904, 3194800, 3913630, 4472720, 5590900, 6261808, 6389600, 7827260, 8945440, 9784075, 11181800, 12523616, 15654520, 19568150, 22363600, 31309040, 39136300, 44727200, 62618080, 78272600, 156545200, 313090400]

約数ペア:

[(1, 313090400), (2, 156545200), (4, 78272600), (5, 62618080), (7, 44727200), (8, 39136300), (10, 31309040), (14, 22363600), (16, 19568150), (20, 15654520), (25, 12523616), (28, 11181800), (32, 9784075), (35, 8945440), (40, 7827260), (49, 6389600), (50, 6261808), (56, 5590900), (70, 4472720), (80, 3913630), (98, 3194800), (100, 3130904), (112, 2795450), (140, 2236360), (160, 1956815), (163, 1920800), (175, 1789088), (196, 1597400), (200, 1565452), (224, 1397725), (245, 1277920), (280, 1118180), (326, 960400), (343, 912800), (350, 894544), (392, 798700), (400, 782726), (490, 638960), (560, 559090), (652, 480200), (686, 456400), (700, 447272), (784, 399350), (800, 391363), (815, 384160), (980, 319480), (1120, 279545), (1141, 274400), (1225, 255584), (1304, 240100), (1372, 228200), (1400, 223636), (1568, 199675), (1630, 192080), (1715, 182560), (1960, 159740), (2282, 137200), (2401, 130400), (2450, 127792), (2608, 120050), (2744, 114100), (2800, 111818), (3260, 96040), (3430, 91280), (3920, 79870), (4075, 76832), (4564, 68600), (4802, 65200), (4900, 63896), (5216, 60025), (5488, 57050), (5600, 55909), (5705, 54880), (6520, 48020), (6860, 45640), (7840, 39935), (7987, 39200), (8150, 38416), (8575, 36512), (9128, 34300), (9604, 32600), (9800, 31948), (10976, 28525), (11410, 27440), (12005, 26080), (13040, 24010), (13720, 22820), (15974, 19600), (16300, 19208), (17150, 18256)]