858556540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{3011}}^1$

素因数の和:3342

約数の個数: 48

約数和(自身を含む): 1844428320

約数和(自身を除く): 985871780

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 269, 530, 538, 1060, 1076, 1345, 2690, 3011, 5380, 6022, 12044, 14257, 15055, 28514, 30110, 57028, 60220, 71285, 142570, 159583, 285140, 319166, 638332, 797915, 809959, 1595830, 1619918, 3191660, 3239836, 4049795, 8099590, 16199180, 42927827, 85855654, 171711308, 214639135, 429278270, 858556540]

約数ペア:

[(1, 858556540), (2, 429278270), (4, 214639135), (5, 171711308), (10, 85855654), (20, 42927827), (53, 16199180), (106, 8099590), (212, 4049795), (265, 3239836), (269, 3191660), (530, 1619918), (538, 1595830), (1060, 809959), (1076, 797915), (1345, 638332), (2690, 319166), (3011, 285140), (5380, 159583), (6022, 142570), (12044, 71285), (14257, 60220), (15055, 57028), (28514, 30110)]