28141750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 64891008

約数和(自身を除く): 36749258

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 650, 875, 910, 1237, 1625, 1750, 2275, 2474, 3250, 4550, 6185, 8659, 11375, 12370, 16081, 17318, 22750, 30925, 32162, 43295, 61850, 80405, 86590, 112567, 154625, 160810, 216475, 225134, 309250, 402025, 432950, 562835, 804050, 1082375, 1125670, 2010125, 2164750, 2814175, 4020250, 5628350, 14070875, 28141750]

約数ペア:

[(1, 28141750), (2, 14070875), (5, 5628350), (7, 4020250), (10, 2814175), (13, 2164750), (14, 2010125), (25, 1125670), (26, 1082375), (35, 804050), (50, 562835), (65, 432950), (70, 402025), (91, 309250), (125, 225134), (130, 216475), (175, 160810), (182, 154625), (250, 112567), (325, 86590), (350, 80405), (455, 61850), (650, 43295), (875, 32162), (910, 30925), (1237, 22750), (1625, 17318), (1750, 16081), (2275, 12370), (2474, 11375), (3250, 8659), (4550, 6185)]