331388000

素因数分解:

$2^5\times 5^3\times {\mathrm{82847}}^1$

素因数の和:82872

約数の個数: 48

約数和(自身を含む): 814230144

約数和(自身を除く): 482842144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 82847, 165694, 331388, 414235, 662776, 828470, 1325552, 1656940, 2071175, 2651104, 3313880, 4142350, 6627760, 8284700, 10355875, 13255520, 16569400, 20711750, 33138800, 41423500, 66277600, 82847000, 165694000, 331388000]

約数ペア:

[(1, 331388000), (2, 165694000), (4, 82847000), (5, 66277600), (8, 41423500), (10, 33138800), (16, 20711750), (20, 16569400), (25, 13255520), (32, 10355875), (40, 8284700), (50, 6627760), (80, 4142350), (100, 3313880), (125, 2651104), (160, 2071175), (200, 1656940), (250, 1325552), (400, 828470), (500, 662776), (800, 414235), (1000, 331388), (2000, 165694), (4000, 82847)]