155376400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5471}}^1$

素因数の和:5560

約数の個数: 60

約数和(自身を含む): 378618624

約数和(自身を除く): 223242224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3550, 5471, 5680, 7100, 10942, 14200, 21884, 27355, 28400, 43768, 54710, 87536, 109420, 136775, 218840, 273550, 388441, 437680, 547100, 776882, 1094200, 1553764, 1942205, 2188400, 3107528, 3884410, 6215056, 7768820, 9711025, 15537640, 19422050, 31075280, 38844100, 77688200, 155376400]

約数ペア:

[(1, 155376400), (2, 77688200), (4, 38844100), (5, 31075280), (8, 19422050), (10, 15537640), (16, 9711025), (20, 7768820), (25, 6215056), (40, 3884410), (50, 3107528), (71, 2188400), (80, 1942205), (100, 1553764), (142, 1094200), (200, 776882), (284, 547100), (355, 437680), (400, 388441), (568, 273550), (710, 218840), (1136, 136775), (1420, 109420), (1775, 87536), (2840, 54710), (3550, 43768), (5471, 28400), (5680, 27355), (7100, 21884), (10942, 14200)]