28205130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{997}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 72430848

約数和(自身を除く): 44225718

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 41, 46, 69, 82, 115, 123, 138, 205, 230, 246, 345, 410, 615, 690, 943, 997, 1230, 1886, 1994, 2829, 2991, 4715, 4985, 5658, 5982, 9430, 9970, 14145, 14955, 22931, 28290, 29910, 40877, 45862, 68793, 81754, 114655, 122631, 137586, 204385, 229310, 245262, 343965, 408770, 613155, 687930, 940171, 1226310, 1880342, 2820513, 4700855, 5641026, 9401710, 14102565, 28205130]

約数ペア:

[(1, 28205130), (2, 14102565), (3, 9401710), (5, 5641026), (6, 4700855), (10, 2820513), (15, 1880342), (23, 1226310), (30, 940171), (41, 687930), (46, 613155), (69, 408770), (82, 343965), (115, 245262), (123, 229310), (138, 204385), (205, 137586), (230, 122631), (246, 114655), (345, 81754), (410, 68793), (615, 45862), (690, 40877), (943, 29910), (997, 28290), (1230, 22931), (1886, 14955), (1994, 14145), (2829, 9970), (2991, 9430), (4715, 5982), (4985, 5658)]