4489700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 10936800

約数和(自身を除く): 6447100

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 139, 170, 190, 278, 323, 340, 380, 425, 475, 556, 646, 695, 850, 950, 1292, 1390, 1615, 1700, 1900, 2363, 2641, 2780, 3230, 3475, 4726, 5282, 6460, 6950, 8075, 9452, 10564, 11815, 13205, 13900, 16150, 23630, 26410, 32300, 44897, 47260, 52820, 59075, 66025, 89794, 118150, 132050, 179588, 224485, 236300, 264100, 448970, 897940, 1122425, 2244850, 4489700]

約数ペア:

[(1, 4489700), (2, 2244850), (4, 1122425), (5, 897940), (10, 448970), (17, 264100), (19, 236300), (20, 224485), (25, 179588), (34, 132050), (38, 118150), (50, 89794), (68, 66025), (76, 59075), (85, 52820), (95, 47260), (100, 44897), (139, 32300), (170, 26410), (190, 23630), (278, 16150), (323, 13900), (340, 13205), (380, 11815), (425, 10564), (475, 9452), (556, 8075), (646, 6950), (695, 6460), (850, 5282), (950, 4726), (1292, 3475), (1390, 3230), (1615, 2780), (1700, 2641), (1900, 2363)]