2019570860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{8221}}^1$

素因数の和:8474

約数の個数: 48

約数和(自身を含む): 4326219072

約数和(自身を除く): 2306648212

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 173, 284, 346, 355, 692, 710, 865, 1420, 1730, 3460, 8221, 12283, 16442, 24566, 32884, 41105, 49132, 61415, 82210, 122830, 164420, 245660, 583691, 1167382, 1422233, 2334764, 2844466, 2918455, 5688932, 5836910, 7111165, 11673820, 14222330, 28444660, 100978543, 201957086, 403914172, 504892715, 1009785430, 2019570860]

約数ペア:

[(1, 2019570860), (2, 1009785430), (4, 504892715), (5, 403914172), (10, 201957086), (20, 100978543), (71, 28444660), (142, 14222330), (173, 11673820), (284, 7111165), (346, 5836910), (355, 5688932), (692, 2918455), (710, 2844466), (865, 2334764), (1420, 1422233), (1730, 1167382), (3460, 583691), (8221, 245660), (12283, 164420), (16442, 122830), (24566, 82210), (32884, 61415), (41105, 49132)]