30919490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 65561400

約数和(自身を除く): 34641910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 445, 490, 623, 709, 890, 1246, 1418, 3115, 3545, 4361, 4963, 6230, 7090, 8722, 9926, 21805, 24815, 34741, 43610, 49630, 63101, 69482, 126202, 173705, 315505, 347410, 441707, 631010, 883414, 2208535, 3091949, 4417070, 6183898, 15459745, 30919490]

約数ペア:

[(1, 30919490), (2, 15459745), (5, 6183898), (7, 4417070), (10, 3091949), (14, 2208535), (35, 883414), (49, 631010), (70, 441707), (89, 347410), (98, 315505), (178, 173705), (245, 126202), (445, 69482), (490, 63101), (623, 49630), (709, 43610), (890, 34741), (1246, 24815), (1418, 21805), (3115, 9926), (3545, 8722), (4361, 7090), (4963, 6230)]