970492040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{495149}}^1$

素因数の和:495174

約数の個数: 48

約数和(自身を含む): 2540119500

約数和(自身を除く): 1569627460

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, 495149, 990298, 1980596, 2475745, 3466043, 3961192, 4951490, 6932086, 9902980, 13864172, 17330215, 19805960, 24262301, 27728344, 34660430, 48524602, 69320860, 97049204, 121311505, 138641720, 194098408, 242623010, 485246020, 970492040]

約数ペア:

[(1, 970492040), (2, 485246020), (4, 242623010), (5, 194098408), (7, 138641720), (8, 121311505), (10, 97049204), (14, 69320860), (20, 48524602), (28, 34660430), (35, 27728344), (40, 24262301), (49, 19805960), (56, 17330215), (70, 13864172), (98, 9902980), (140, 6932086), (196, 4951490), (245, 3961192), (280, 3466043), (392, 2475745), (490, 1980596), (980, 990298), (1960, 495149)]