401650020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2231389}}^1$

素因数の和:2231404

約数の個数: 36

約数和(自身を含む): 1218338940

約数和(自身を除く): 816688920

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2231389, 4462778, 6694167, 8925556, 11156945, 13388334, 20082501, 22313890, 26776668, 33470835, 40165002, 44627780, 66941670, 80330004, 100412505, 133883340, 200825010, 401650020]

約数ペア:

[(1, 401650020), (2, 200825010), (3, 133883340), (4, 100412505), (5, 80330004), (6, 66941670), (9, 44627780), (10, 40165002), (12, 33470835), (15, 26776668), (18, 22313890), (20, 20082501), (30, 13388334), (36, 11156945), (45, 8925556), (60, 6694167), (90, 4462778), (180, 2231389)]