77982100

素因数分解:

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

素因数の和:1225

約数の個数: 72

約数和(自身を含む): 195487488

約数和(自身を除く): 117505388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 404, 505, 700, 707, 1010, 1103, 1414, 2020, 2206, 2525, 2828, 3535, 4412, 5050, 5515, 7070, 7721, 10100, 11030, 14140, 15442, 17675, 22060, 27575, 30884, 35350, 38605, 55150, 70700, 77210, 110300, 111403, 154420, 193025, 222806, 386050, 445612, 557015, 772100, 779821, 1114030, 1559642, 2228060, 2785075, 3119284, 3899105, 5570150, 7798210, 11140300, 15596420, 19495525, 38991050, 77982100]

約数ペア:

[(1, 77982100), (2, 38991050), (4, 19495525), (5, 15596420), (7, 11140300), (10, 7798210), (14, 5570150), (20, 3899105), (25, 3119284), (28, 2785075), (35, 2228060), (50, 1559642), (70, 1114030), (100, 779821), (101, 772100), (140, 557015), (175, 445612), (202, 386050), (350, 222806), (404, 193025), (505, 154420), (700, 111403), (707, 110300), (1010, 77210), (1103, 70700), (1414, 55150), (2020, 38605), (2206, 35350), (2525, 30884), (2828, 27575), (3535, 22060), (4412, 17675), (5050, 15442), (5515, 14140), (7070, 11030), (7721, 10100)]