209947190

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{1741}}^1$

素因数の和:2168

約数の個数: 32

約数和(自身を含む): 391322880

約数和(自身を除く): 181375690

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 389, 778, 1741, 1945, 3482, 3890, 8705, 12059, 17410, 24118, 53971, 60295, 107942, 120590, 269855, 539710, 677249, 1354498, 3386245, 6772490, 20994719, 41989438, 104973595, 209947190]

約数ペア:

[(1, 209947190), (2, 104973595), (5, 41989438), (10, 20994719), (31, 6772490), (62, 3386245), (155, 1354498), (310, 677249), (389, 539710), (778, 269855), (1741, 120590), (1945, 107942), (3482, 60295), (3890, 53971), (8705, 24118), (12059, 17410)]