174158740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2503}}^1$

素因数の和:2597

約数の個数: 72

約数和(自身を含む): 431609472

約数和(自身を除く): 257450732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 2503, 3479, 4970, 5006, 6958, 9940, 10012, 12515, 13916, 17395, 17521, 25030, 34790, 35042, 50060, 69580, 70084, 87605, 122647, 175210, 177713, 245294, 350420, 355426, 490588, 613235, 710852, 888565, 1226470, 1243991, 1777130, 2452940, 2487982, 3554260, 4975964, 6219955, 8707937, 12439910, 17415874, 24879820, 34831748, 43539685, 87079370, 174158740]

約数ペア:

[(1, 174158740), (2, 87079370), (4, 43539685), (5, 34831748), (7, 24879820), (10, 17415874), (14, 12439910), (20, 8707937), (28, 6219955), (35, 4975964), (49, 3554260), (70, 2487982), (71, 2452940), (98, 1777130), (140, 1243991), (142, 1226470), (196, 888565), (245, 710852), (284, 613235), (355, 490588), (490, 355426), (497, 350420), (710, 245294), (980, 177713), (994, 175210), (1420, 122647), (1988, 87605), (2485, 70084), (2503, 69580), (3479, 50060), (4970, 35042), (5006, 34790), (6958, 25030), (9940, 17521), (10012, 17395), (12515, 13916)]