2171790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 5756400

約数和(自身を除く): 3584610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 90, 118, 177, 295, 354, 409, 531, 590, 818, 885, 1062, 1227, 1770, 2045, 2454, 2655, 3681, 4090, 5310, 6135, 7362, 12270, 18405, 24131, 36810, 48262, 72393, 120655, 144786, 217179, 241310, 361965, 434358, 723930, 1085895, 2171790]

約数ペア:

[(1, 2171790), (2, 1085895), (3, 723930), (5, 434358), (6, 361965), (9, 241310), (10, 217179), (15, 144786), (18, 120655), (30, 72393), (45, 48262), (59, 36810), (90, 24131), (118, 18405), (177, 12270), (295, 7362), (354, 6135), (409, 5310), (531, 4090), (590, 3681), (818, 2655), (885, 2454), (1062, 2045), (1227, 1770)]