399076550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{443}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 763076160

約数和(自身を除く): 363999610

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 419, 430, 443, 838, 886, 1075, 2095, 2150, 2215, 4190, 4430, 10475, 11075, 18017, 19049, 20950, 22150, 36034, 38098, 90085, 95245, 180170, 185617, 190490, 371234, 450425, 476225, 900850, 928085, 952450, 1856170, 4640425, 7981531, 9280850, 15963062, 39907655, 79815310, 199538275, 399076550]

約数ペア:

[(1, 399076550), (2, 199538275), (5, 79815310), (10, 39907655), (25, 15963062), (43, 9280850), (50, 7981531), (86, 4640425), (215, 1856170), (419, 952450), (430, 928085), (443, 900850), (838, 476225), (886, 450425), (1075, 371234), (2095, 190490), (2150, 185617), (2215, 180170), (4190, 95245), (4430, 90085), (10475, 38098), (11075, 36034), (18017, 22150), (19049, 20950)]