156947512360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{145381}}^1$

素因数の和:145726

約数の個数: 64

約数和(自身を含む): 357517599120

約数和(自身を除く): 200570086760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 197, 274, 394, 548, 685, 788, 985, 1096, 1370, 1576, 1970, 2740, 3940, 5480, 7880, 26989, 53978, 107956, 134945, 145381, 215912, 269890, 290762, 539780, 581524, 726905, 1079560, 1163048, 1453810, 2907620, 5815240, 19917197, 28640057, 39834394, 57280114, 79668788, 99585985, 114560228, 143200285, 159337576, 199171970, 229120456, 286400570, 398343940, 572801140, 796687880, 1145602280, 3923687809, 7847375618, 15694751236, 19618439045, 31389502472, 39236878090, 78473756180, 156947512360]

約数ペア:

[(1, 156947512360), (2, 78473756180), (4, 39236878090), (5, 31389502472), (8, 19618439045), (10, 15694751236), (20, 7847375618), (40, 3923687809), (137, 1145602280), (197, 796687880), (274, 572801140), (394, 398343940), (548, 286400570), (685, 229120456), (788, 199171970), (985, 159337576), (1096, 143200285), (1370, 114560228), (1576, 99585985), (1970, 79668788), (2740, 57280114), (3940, 39834394), (5480, 28640057), (7880, 19917197), (26989, 5815240), (53978, 2907620), (107956, 1453810), (134945, 1163048), (145381, 1079560), (215912, 726905), (269890, 581524), (290762, 539780)]