8978270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 19132848

約数和(自身を除く): 10154578

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 251, 365, 490, 502, 511, 730, 1022, 1255, 1757, 2510, 2555, 3514, 3577, 5110, 7154, 8785, 12299, 17570, 17885, 18323, 24598, 35770, 36646, 61495, 91615, 122990, 128261, 183230, 256522, 641305, 897827, 1282610, 1795654, 4489135, 8978270]

約数ペア:

[(1, 8978270), (2, 4489135), (5, 1795654), (7, 1282610), (10, 897827), (14, 641305), (35, 256522), (49, 183230), (70, 128261), (73, 122990), (98, 91615), (146, 61495), (245, 36646), (251, 35770), (365, 24598), (490, 18323), (502, 17885), (511, 17570), (730, 12299), (1022, 8785), (1255, 7154), (1757, 5110), (2510, 3577), (2555, 3514)]