309672020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71353}}^1$

素因数の和:71400

約数の個数: 48

約数和(自身を含む): 767198208

約数和(自身を除く): 457526188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 71353, 142706, 285412, 356765, 499471, 713530, 998942, 1427060, 1997884, 2211943, 2497355, 4423886, 4994710, 8847772, 9989420, 11059715, 15483601, 22119430, 30967202, 44238860, 61934404, 77418005, 154836010, 309672020]

約数ペア:

[(1, 309672020), (2, 154836010), (4, 77418005), (5, 61934404), (7, 44238860), (10, 30967202), (14, 22119430), (20, 15483601), (28, 11059715), (31, 9989420), (35, 8847772), (62, 4994710), (70, 4423886), (124, 2497355), (140, 2211943), (155, 1997884), (217, 1427060), (310, 998942), (434, 713530), (620, 499471), (868, 356765), (1085, 285412), (2170, 142706), (4340, 71353)]