1804390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 3758400

約数和(自身を除く): 1954010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 173, 298, 346, 745, 865, 1043, 1211, 1490, 1730, 2086, 2422, 5215, 6055, 10430, 12110, 25777, 51554, 128885, 180439, 257770, 360878, 902195, 1804390]

約数ペア:

[(1, 1804390), (2, 902195), (5, 360878), (7, 257770), (10, 180439), (14, 128885), (35, 51554), (70, 25777), (149, 12110), (173, 10430), (298, 6055), (346, 5215), (745, 2422), (865, 2086), (1043, 1730), (1211, 1490)]