28959140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3391}}^1$

素因数の和:3468

約数の個数: 48

約数和(自身を含む): 70662144

約数和(自身を除く): 41703004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3391, 4270, 6782, 8540, 13564, 16955, 23737, 33910, 47474, 67820, 94948, 118685, 206851, 237370, 413702, 474740, 827404, 1034255, 1447957, 2068510, 2895914, 4137020, 5791828, 7239785, 14479570, 28959140]

約数ペア:

[(1, 28959140), (2, 14479570), (4, 7239785), (5, 5791828), (7, 4137020), (10, 2895914), (14, 2068510), (20, 1447957), (28, 1034255), (35, 827404), (61, 474740), (70, 413702), (122, 237370), (140, 206851), (244, 118685), (305, 94948), (427, 67820), (610, 47474), (854, 33910), (1220, 23737), (1708, 16955), (2135, 13564), (3391, 8540), (4270, 6782)]