978013420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{3407}}^1$

素因数の和:3910

約数の個数: 48

約数和(自身を含む): 2125283328

約数和(自身を除く): 1147269908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 463, 620, 926, 1852, 2315, 3407, 4630, 6814, 9260, 13628, 14353, 17035, 28706, 34070, 57412, 68140, 71765, 105617, 143530, 211234, 287060, 422468, 528085, 1056170, 1577441, 2112340, 3154882, 6309764, 7887205, 15774410, 31548820, 48900671, 97801342, 195602684, 244503355, 489006710, 978013420]

約数ペア:

[(1, 978013420), (2, 489006710), (4, 244503355), (5, 195602684), (10, 97801342), (20, 48900671), (31, 31548820), (62, 15774410), (124, 7887205), (155, 6309764), (310, 3154882), (463, 2112340), (620, 1577441), (926, 1056170), (1852, 528085), (2315, 422468), (3407, 287060), (4630, 211234), (6814, 143530), (9260, 105617), (13628, 71765), (14353, 68140), (17035, 57412), (28706, 34070)]