201870280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 463737600

約数和(自身を除く): 261867320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 193, 316, 331, 386, 395, 632, 662, 772, 790, 965, 1324, 1544, 1580, 1655, 1930, 2648, 3160, 3310, 3860, 6620, 7720, 13240, 15247, 26149, 30494, 52298, 60988, 63883, 76235, 104596, 121976, 127766, 130745, 152470, 209192, 255532, 261490, 304940, 319415, 511064, 522980, 609880, 638830, 1045960, 1277660, 2555320, 5046757, 10093514, 20187028, 25233785, 40374056, 50467570, 100935140, 201870280]

約数ペア:

[(1, 201870280), (2, 100935140), (4, 50467570), (5, 40374056), (8, 25233785), (10, 20187028), (20, 10093514), (40, 5046757), (79, 2555320), (158, 1277660), (193, 1045960), (316, 638830), (331, 609880), (386, 522980), (395, 511064), (632, 319415), (662, 304940), (772, 261490), (790, 255532), (965, 209192), (1324, 152470), (1544, 130745), (1580, 127766), (1655, 121976), (1930, 104596), (2648, 76235), (3160, 63883), (3310, 60988), (3860, 52298), (6620, 30494), (7720, 26149), (13240, 15247)]