198689120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{25343}}^1$

素因数の和:25372

約数の個数: 72

約数和(自身を含む): 546061824

約数和(自身を除く): 347372704

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, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 25343, 50686, 101372, 126715, 177401, 202744, 253430, 354802, 405488, 506860, 709604, 810976, 887005, 1013720, 1241807, 1419208, 1774010, 2027440, 2483614, 2838416, 3548020, 4054880, 4967228, 5676832, 6209035, 7096040, 9934456, 12418070, 14192080, 19868912, 24836140, 28384160, 39737824, 49672280, 99344560, 198689120]

約数ペア:

[(1, 198689120), (2, 99344560), (4, 49672280), (5, 39737824), (7, 28384160), (8, 24836140), (10, 19868912), (14, 14192080), (16, 12418070), (20, 9934456), (28, 7096040), (32, 6209035), (35, 5676832), (40, 4967228), (49, 4054880), (56, 3548020), (70, 2838416), (80, 2483614), (98, 2027440), (112, 1774010), (140, 1419208), (160, 1241807), (196, 1013720), (224, 887005), (245, 810976), (280, 709604), (392, 506860), (490, 405488), (560, 354802), (784, 253430), (980, 202744), (1120, 177401), (1568, 126715), (1960, 101372), (3920, 50686), (7840, 25343)]