397433120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 1102465728

約数和(自身を除く): 705032608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 163, 196, 224, 245, 280, 311, 326, 392, 490, 560, 622, 652, 784, 815, 980, 1120, 1141, 1244, 1304, 1555, 1568, 1630, 1960, 2177, 2282, 2488, 2608, 3110, 3260, 3920, 4354, 4564, 4976, 5216, 5705, 6220, 6520, 7840, 7987, 8708, 9128, 9952, 10885, 11410, 12440, 13040, 15239, 15974, 17416, 18256, 21770, 22820, 24880, 26080, 30478, 31948, 34832, 36512, 39935, 43540, 45640, 49760, 50693, 60956, 63896, 69664, 76195, 79870, 87080, 91280, 101386, 121912, 127792, 152390, 159740, 174160, 182560, 202772, 243824, 253465, 255584, 304780, 319480, 348320, 354851, 405544, 487648, 506930, 609560, 638960, 709702, 811088, 1013860, 1219120, 1277920, 1419404, 1622176, 1774255, 2027720, 2438240, 2483957, 2838808, 3548510, 4055440, 4967914, 5677616, 7097020, 8110880, 9935828, 11355232, 12419785, 14194040, 19871656, 24839570, 28388080, 39743312, 49679140, 56776160, 79486624, 99358280, 198716560, 397433120]

約数ペア:

[(1, 397433120), (2, 198716560), (4, 99358280), (5, 79486624), (7, 56776160), (8, 49679140), (10, 39743312), (14, 28388080), (16, 24839570), (20, 19871656), (28, 14194040), (32, 12419785), (35, 11355232), (40, 9935828), (49, 8110880), (56, 7097020), (70, 5677616), (80, 4967914), (98, 4055440), (112, 3548510), (140, 2838808), (160, 2483957), (163, 2438240), (196, 2027720), (224, 1774255), (245, 1622176), (280, 1419404), (311, 1277920), (326, 1219120), (392, 1013860), (490, 811088), (560, 709702), (622, 638960), (652, 609560), (784, 506930), (815, 487648), (980, 405544), (1120, 354851), (1141, 348320), (1244, 319480), (1304, 304780), (1555, 255584), (1568, 253465), (1630, 243824), (1960, 202772), (2177, 182560), (2282, 174160), (2488, 159740), (2608, 152390), (3110, 127792), (3260, 121912), (3920, 101386), (4354, 91280), (4564, 87080), (4976, 79870), (5216, 76195), (5705, 69664), (6220, 63896), (6520, 60956), (7840, 50693), (7987, 49760), (8708, 45640), (9128, 43540), (9952, 39935), (10885, 36512), (11410, 34832), (12440, 31948), (13040, 30478), (15239, 26080), (15974, 24880), (17416, 22820), (18256, 21770)]