388220300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{298631}}^1$

素因数の和:298658

約数の個数: 36

約数和(自身を含む): 907244016

約数和(自身を除く): 519023716

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 298631, 597262, 1194524, 1493155, 2986310, 3882203, 5972620, 7465775, 7764406, 14931550, 15528812, 19411015, 29863100, 38822030, 77644060, 97055075, 194110150, 388220300]

約数ペア:

[(1, 388220300), (2, 194110150), (4, 97055075), (5, 77644060), (10, 38822030), (13, 29863100), (20, 19411015), (25, 15528812), (26, 14931550), (50, 7764406), (52, 7465775), (65, 5972620), (100, 3882203), (130, 2986310), (260, 1493155), (325, 1194524), (650, 597262), (1300, 298631)]