305142320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{544897}}^1$

素因数の和:544917

約数の個数: 40

約数和(自身を含む): 810808224

約数和(自身を除く): 505665904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 544897, 1089794, 2179588, 2724485, 3814279, 4359176, 5448970, 7628558, 8718352, 10897940, 15257116, 19071395, 21795880, 30514232, 38142790, 43591760, 61028464, 76285580, 152571160, 305142320]

約数ペア:

[(1, 305142320), (2, 152571160), (4, 76285580), (5, 61028464), (7, 43591760), (8, 38142790), (10, 30514232), (14, 21795880), (16, 19071395), (20, 15257116), (28, 10897940), (35, 8718352), (40, 7628558), (56, 5448970), (70, 4359176), (80, 3814279), (112, 2724485), (140, 2179588), (280, 1089794), (560, 544897)]