31192840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1103}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 81077760

約数和(自身を除く): 49884920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1103, 1414, 2020, 2206, 2828, 3535, 4040, 4412, 5515, 5656, 7070, 7721, 8824, 11030, 14140, 15442, 22060, 28280, 30884, 38605, 44120, 61768, 77210, 111403, 154420, 222806, 308840, 445612, 557015, 779821, 891224, 1114030, 1559642, 2228060, 3119284, 3899105, 4456120, 6238568, 7798210, 15596420, 31192840]

約数ペア:

[(1, 31192840), (2, 15596420), (4, 7798210), (5, 6238568), (7, 4456120), (8, 3899105), (10, 3119284), (14, 2228060), (20, 1559642), (28, 1114030), (35, 891224), (40, 779821), (56, 557015), (70, 445612), (101, 308840), (140, 222806), (202, 154420), (280, 111403), (404, 77210), (505, 61768), (707, 44120), (808, 38605), (1010, 30884), (1103, 28280), (1414, 22060), (2020, 15442), (2206, 14140), (2828, 11030), (3535, 8824), (4040, 7721), (4412, 7070), (5515, 5656)]