397773560

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{88003}}^1$

素因数の和:88127

約数の個数: 32

約数和(自身を含む): 902921040

約数和(自身を除く): 505147480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 88003, 176006, 352012, 440015, 704024, 880030, 1760060, 3520120, 9944339, 19888678, 39777356, 49721695, 79554712, 99443390, 198886780, 397773560]

約数ペア:

[(1, 397773560), (2, 198886780), (4, 99443390), (5, 79554712), (8, 49721695), (10, 39777356), (20, 19888678), (40, 9944339), (113, 3520120), (226, 1760060), (452, 880030), (565, 704024), (904, 440015), (1130, 352012), (2260, 176006), (4520, 88003)]