212801120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{27143}}^1$

素因数の和:27172

約数の個数: 72

約数和(自身を含む): 584844624

約数和(自身を除く): 372043504

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, 27143, 54286, 108572, 135715, 190001, 217144, 271430, 380002, 434288, 542860, 760004, 868576, 950005, 1085720, 1330007, 1520008, 1900010, 2171440, 2660014, 3040016, 3800020, 4342880, 5320028, 6080032, 6650035, 7600040, 10640056, 13300070, 15200080, 21280112, 26600140, 30400160, 42560224, 53200280, 106400560, 212801120]

約数ペア:

[(1, 212801120), (2, 106400560), (4, 53200280), (5, 42560224), (7, 30400160), (8, 26600140), (10, 21280112), (14, 15200080), (16, 13300070), (20, 10640056), (28, 7600040), (32, 6650035), (35, 6080032), (40, 5320028), (49, 4342880), (56, 3800020), (70, 3040016), (80, 2660014), (98, 2171440), (112, 1900010), (140, 1520008), (160, 1330007), (196, 1085720), (224, 950005), (245, 868576), (280, 760004), (392, 542860), (490, 434288), (560, 380002), (784, 271430), (980, 217144), (1120, 190001), (1568, 135715), (1960, 108572), (3920, 54286), (7840, 27143)]