69480040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{35449}}^1$

素因数の和:35474

約数の個数: 48

約数和(自身を含む): 181858500

約数和(自身を除く): 112378460

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, 35449, 70898, 141796, 177245, 248143, 283592, 354490, 496286, 708980, 992572, 1240715, 1417960, 1737001, 1985144, 2481430, 3474002, 4962860, 6948004, 8685005, 9925720, 13896008, 17370010, 34740020, 69480040]

約数ペア:

[(1, 69480040), (2, 34740020), (4, 17370010), (5, 13896008), (7, 9925720), (8, 8685005), (10, 6948004), (14, 4962860), (20, 3474002), (28, 2481430), (35, 1985144), (40, 1737001), (49, 1417960), (56, 1240715), (70, 992572), (98, 708980), (140, 496286), (196, 354490), (245, 283592), (280, 248143), (392, 177245), (490, 141796), (980, 70898), (1960, 35449)]