201868975

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 323657856

約数和(自身を除く): 121788881

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 71, 77, 175, 211, 245, 275, 355, 385, 497, 539, 781, 1055, 1225, 1477, 1775, 1925, 2321, 2485, 2695, 3479, 3905, 5275, 5467, 7385, 10339, 11605, 12425, 13475, 14981, 16247, 17395, 19525, 27335, 36925, 38269, 51695, 58025, 74905, 81235, 86975, 104867, 113729, 136675, 164791, 191345, 258475, 374525, 406175, 524335, 568645, 734069, 823955, 956725, 1153537, 2621675, 2843225, 3670345, 4119775, 5767685, 8074759, 18351725, 28838425, 40373795, 201868975]

約数ペア:

[(1, 201868975), (5, 40373795), (7, 28838425), (11, 18351725), (25, 8074759), (35, 5767685), (49, 4119775), (55, 3670345), (71, 2843225), (77, 2621675), (175, 1153537), (211, 956725), (245, 823955), (275, 734069), (355, 568645), (385, 524335), (497, 406175), (539, 374525), (781, 258475), (1055, 191345), (1225, 164791), (1477, 136675), (1775, 113729), (1925, 104867), (2321, 86975), (2485, 81235), (2695, 74905), (3479, 58025), (3905, 51695), (5275, 38269), (5467, 36925), (7385, 27335), (10339, 19525), (11605, 17395), (12425, 16247), (13475, 14981)]