28419950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1901}}^1$

素因数の和:1949

約数の個数: 48

約数和(自身を含む): 59433696

約数和(自身を除く): 31013746

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1495, 1901, 2990, 3802, 7475, 9505, 14950, 19010, 24713, 43723, 47525, 49426, 87446, 95050, 123565, 218615, 247130, 437230, 568399, 617825, 1093075, 1136798, 1235650, 2186150, 2841995, 5683990, 14209975, 28419950]

約数ペア:

[(1, 28419950), (2, 14209975), (5, 5683990), (10, 2841995), (13, 2186150), (23, 1235650), (25, 1136798), (26, 1093075), (46, 617825), (50, 568399), (65, 437230), (115, 247130), (130, 218615), (230, 123565), (299, 95050), (325, 87446), (575, 49426), (598, 47525), (650, 43723), (1150, 24713), (1495, 19010), (1901, 14950), (2990, 9505), (3802, 7475)]