217552160

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{27749}}^1$

素因数の和:27778

約数の個数: 72

約数和(自身を含む): 597901500

約数和(自身を除く): 380349340

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, 27749, 55498, 110996, 138745, 194243, 221992, 277490, 388486, 443984, 554980, 776972, 887968, 971215, 1109960, 1359701, 1553944, 1942430, 2219920, 2719402, 3107888, 3884860, 4439840, 5438804, 6215776, 6798505, 7769720, 10877608, 13597010, 15539440, 21755216, 27194020, 31078880, 43510432, 54388040, 108776080, 217552160]

約数ペア:

[(1, 217552160), (2, 108776080), (4, 54388040), (5, 43510432), (7, 31078880), (8, 27194020), (10, 21755216), (14, 15539440), (16, 13597010), (20, 10877608), (28, 7769720), (32, 6798505), (35, 6215776), (40, 5438804), (49, 4439840), (56, 3884860), (70, 3107888), (80, 2719402), (98, 2219920), (112, 1942430), (140, 1553944), (160, 1359701), (196, 1109960), (224, 971215), (245, 887968), (280, 776972), (392, 554980), (490, 443984), (560, 388486), (784, 277490), (980, 221992), (1120, 194243), (1568, 138745), (1960, 110996), (3920, 55498), (7840, 27749)]