848762540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{2237}}^1$

素因数の和:2618

約数の個数: 48

約数和(自身を含む): 1818258624

約数和(自身を除く): 969496084

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 311, 610, 622, 1220, 1244, 1555, 2237, 3110, 4474, 6220, 8948, 11185, 18971, 22370, 37942, 44740, 75884, 94855, 136457, 189710, 272914, 379420, 545828, 682285, 695707, 1364570, 1391414, 2729140, 2782828, 3478535, 6957070, 13914140, 42438127, 84876254, 169752508, 212190635, 424381270, 848762540]

約数ペア:

[(1, 848762540), (2, 424381270), (4, 212190635), (5, 169752508), (10, 84876254), (20, 42438127), (61, 13914140), (122, 6957070), (244, 3478535), (305, 2782828), (311, 2729140), (610, 1391414), (622, 1364570), (1220, 695707), (1244, 682285), (1555, 545828), (2237, 379420), (3110, 272914), (4474, 189710), (6220, 136457), (8948, 94855), (11185, 75884), (18971, 44740), (22370, 37942)]