149455880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{76253}}^1$

素因数の和:76278

約数の個数: 48

約数和(自身を含む): 391183020

約数和(自身を除く): 241727140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 76253, 152506, 305012, 381265, 533771, 610024, 762530, 1067542, 1525060, 2135084, 2668855, 3050120, 3736397, 4270168, 5337710, 7472794, 10675420, 14945588, 18681985, 21350840, 29891176, 37363970, 74727940, 149455880]

約数ペア:

[(1, 149455880), (2, 74727940), (4, 37363970), (5, 29891176), (7, 21350840), (8, 18681985), (10, 14945588), (14, 10675420), (20, 7472794), (28, 5337710), (35, 4270168), (40, 3736397), (49, 3050120), (56, 2668855), (70, 2135084), (98, 1525060), (140, 1067542), (196, 762530), (245, 610024), (280, 533771), (392, 381265), (490, 305012), (980, 152506), (1960, 76253)]