28164710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 59466960

約数和(自身を除く): 31302250

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 229, 245, 251, 458, 490, 502, 1145, 1255, 1603, 1757, 2290, 2510, 3206, 3514, 8015, 8785, 11221, 12299, 16030, 17570, 22442, 24598, 56105, 57479, 61495, 112210, 114958, 122990, 287395, 402353, 574790, 804706, 2011765, 2816471, 4023530, 5632942, 14082355, 28164710]

約数ペア:

[(1, 28164710), (2, 14082355), (5, 5632942), (7, 4023530), (10, 2816471), (14, 2011765), (35, 804706), (49, 574790), (70, 402353), (98, 287395), (229, 122990), (245, 114958), (251, 112210), (458, 61495), (490, 57479), (502, 56105), (1145, 24598), (1255, 22442), (1603, 17570), (1757, 16030), (2290, 12299), (2510, 11221), (3206, 8785), (3514, 8015)]