30168740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1907}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 73084032

約数和(自身を除く): 42915292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 1907, 2260, 3164, 3814, 3955, 7628, 7910, 9535, 13349, 15820, 19070, 26698, 38140, 53396, 66745, 133490, 215491, 266980, 430982, 861964, 1077455, 1508437, 2154910, 3016874, 4309820, 6033748, 7542185, 15084370, 30168740]

約数ペア:

[(1, 30168740), (2, 15084370), (4, 7542185), (5, 6033748), (7, 4309820), (10, 3016874), (14, 2154910), (20, 1508437), (28, 1077455), (35, 861964), (70, 430982), (113, 266980), (140, 215491), (226, 133490), (452, 66745), (565, 53396), (791, 38140), (1130, 26698), (1582, 19070), (1907, 15820), (2260, 13349), (3164, 9535), (3814, 7910), (3955, 7628)]