355287070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{1289}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 655918560

約数和(自身を除く): 300631490

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 641, 1282, 1289, 2578, 3205, 6410, 6445, 12890, 27563, 55126, 55427, 110854, 137815, 275630, 277135, 554270, 826249, 1652498, 4131245, 8262490, 35528707, 71057414, 177643535, 355287070]

約数ペア:

[(1, 355287070), (2, 177643535), (5, 71057414), (10, 35528707), (43, 8262490), (86, 4131245), (215, 1652498), (430, 826249), (641, 554270), (1282, 277135), (1289, 275630), (2578, 137815), (3205, 110854), (6410, 55427), (6445, 55126), (12890, 27563)]