211751020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6217}}^1$

素因数の和:6370

約数の個数: 48

約数和(自身を含む): 482616288

約数和(自身を除く): 270865268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 6217, 6812, 8515, 12434, 17030, 24868, 31085, 34060, 62170, 80821, 124340, 161642, 323284, 404105, 808210, 814427, 1616420, 1628854, 3257708, 4072135, 8144270, 10587551, 16288540, 21175102, 42350204, 52937755, 105875510, 211751020]

約数ペア:

[(1, 211751020), (2, 105875510), (4, 52937755), (5, 42350204), (10, 21175102), (13, 16288540), (20, 10587551), (26, 8144270), (52, 4072135), (65, 3257708), (130, 1628854), (131, 1616420), (260, 814427), (262, 808210), (524, 404105), (655, 323284), (1310, 161642), (1703, 124340), (2620, 80821), (3406, 62170), (6217, 34060), (6812, 31085), (8515, 24868), (12434, 17030)]