409043875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1097}}^1$

素因数の和:1288

約数の個数: 32

約数和(自身を含む): 541270080

約数和(自身を除く): 132226205

約数列:

[1, 5, 19, 25, 95, 125, 157, 475, 785, 1097, 2375, 2983, 3925, 5485, 14915, 19625, 20843, 27425, 74575, 104215, 137125, 172229, 372875, 521075, 861145, 2605375, 3272351, 4305725, 16361755, 21528625, 81808775, 409043875]

約数ペア:

[(1, 409043875), (5, 81808775), (19, 21528625), (25, 16361755), (95, 4305725), (125, 3272351), (157, 2605375), (475, 861145), (785, 521075), (1097, 372875), (2375, 172229), (2983, 137125), (3925, 104215), (5485, 74575), (14915, 27425), (19625, 20843)]