242143760

素因数分解:

$2^4\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{1949}}^1$

素因数の和:3515

約数の個数: 40

約数和(自身を含む): 563635800

約数和(自身を除く): 321492040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1553, 1949, 3106, 3898, 6212, 7765, 7796, 9745, 12424, 15530, 15592, 19490, 24848, 31060, 31184, 38980, 62120, 77960, 124240, 155920, 3026797, 6053594, 12107188, 15133985, 24214376, 30267970, 48428752, 60535940, 121071880, 242143760]

約数ペア:

[(1, 242143760), (2, 121071880), (4, 60535940), (5, 48428752), (8, 30267970), (10, 24214376), (16, 15133985), (20, 12107188), (40, 6053594), (80, 3026797), (1553, 155920), (1949, 124240), (3106, 77960), (3898, 62120), (6212, 38980), (7765, 31184), (7796, 31060), (9745, 24848), (12424, 19490), (15530, 15592)]