9881950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 20686176

約数和(自身を除く): 10804226

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 661, 1150, 1322, 1495, 2990, 3305, 6610, 7475, 8593, 14950, 15203, 16525, 17186, 30406, 33050, 42965, 76015, 85930, 152030, 197639, 214825, 380075, 395278, 429650, 760150, 988195, 1976390, 4940975, 9881950]

約数ペア:

[(1, 9881950), (2, 4940975), (5, 1976390), (10, 988195), (13, 760150), (23, 429650), (25, 395278), (26, 380075), (46, 214825), (50, 197639), (65, 152030), (115, 85930), (130, 76015), (230, 42965), (299, 33050), (325, 30406), (575, 17186), (598, 16525), (650, 15203), (661, 14950), (1150, 8593), (1322, 7475), (1495, 6610), (2990, 3305)]