2109990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1224

約数の個数: 32

約数和(自身を含む): 5151456

約数和(自身を除く): 3041466

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1153, 1830, 2306, 3459, 5765, 6918, 11530, 17295, 34590, 70333, 140666, 210999, 351665, 421998, 703330, 1054995, 2109990]

約数ペア:

[(1, 2109990), (2, 1054995), (3, 703330), (5, 421998), (6, 351665), (10, 210999), (15, 140666), (30, 70333), (61, 34590), (122, 17295), (183, 11530), (305, 6918), (366, 5765), (610, 3459), (915, 2306), (1153, 1830)]