401777090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{280963}}^1$

素因数の和:280994

約数の個数: 32

約数和(自身を含む): 849635136

約数和(自身を除く): 447858046

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 280963, 561926, 1404815, 2809630, 3090593, 3652519, 6181186, 7305038, 15452965, 18262595, 30905930, 36525190, 40177709, 80355418, 200888545, 401777090]

約数ペア:

[(1, 401777090), (2, 200888545), (5, 80355418), (10, 40177709), (11, 36525190), (13, 30905930), (22, 18262595), (26, 15452965), (55, 7305038), (65, 6181186), (110, 3652519), (130, 3090593), (143, 2809630), (286, 1404815), (715, 561926), (1430, 280963)]