72902810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 145411200

約数和(自身を除く): 72508390

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 101, 131, 145, 190, 202, 262, 290, 505, 551, 655, 1010, 1102, 1310, 1919, 2489, 2755, 2929, 3799, 3838, 4978, 5510, 5858, 7598, 9595, 12445, 13231, 14645, 18995, 19190, 24890, 26462, 29290, 37990, 55651, 66155, 72181, 111302, 132310, 144362, 251389, 278255, 360905, 383699, 502778, 556510, 721810, 767398, 1256945, 1918495, 2513890, 3836990, 7290281, 14580562, 36451405, 72902810]

約数ペア:

[(1, 72902810), (2, 36451405), (5, 14580562), (10, 7290281), (19, 3836990), (29, 2513890), (38, 1918495), (58, 1256945), (95, 767398), (101, 721810), (131, 556510), (145, 502778), (190, 383699), (202, 360905), (262, 278255), (290, 251389), (505, 144362), (551, 132310), (655, 111302), (1010, 72181), (1102, 66155), (1310, 55651), (1919, 37990), (2489, 29290), (2755, 26462), (2929, 24890), (3799, 19190), (3838, 18995), (4978, 14645), (5510, 13231), (5858, 12445), (7598, 9595)]