79520140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1607

約数の個数: 72

約数和(自身を含む): 198050832

約数和(自身を除く): 118530692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 1060, 1484, 1531, 1855, 2597, 3062, 3710, 5194, 6124, 7420, 7655, 10388, 10717, 12985, 15310, 21434, 25970, 30620, 42868, 51940, 53585, 75019, 81143, 107170, 150038, 162286, 214340, 300076, 324572, 375095, 405715, 568001, 750190, 811430, 1136002, 1500380, 1622860, 2272004, 2840005, 3976007, 5680010, 7952014, 11360020, 15904028, 19880035, 39760070, 79520140]

約数ペア:

[(1, 79520140), (2, 39760070), (4, 19880035), (5, 15904028), (7, 11360020), (10, 7952014), (14, 5680010), (20, 3976007), (28, 2840005), (35, 2272004), (49, 1622860), (53, 1500380), (70, 1136002), (98, 811430), (106, 750190), (140, 568001), (196, 405715), (212, 375095), (245, 324572), (265, 300076), (371, 214340), (490, 162286), (530, 150038), (742, 107170), (980, 81143), (1060, 75019), (1484, 53585), (1531, 51940), (1855, 42868), (2597, 30620), (3062, 25970), (3710, 21434), (5194, 15310), (6124, 12985), (7420, 10717), (7655, 10388)]