191864920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1531}}^1$

素因数の和:1796

約数の個数: 64

約数和(自身を含む): 467137440

約数和(自身を除く): 275272520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 241, 260, 482, 520, 964, 1205, 1531, 1928, 2410, 3062, 3133, 4820, 6124, 6266, 7655, 9640, 12248, 12532, 15310, 15665, 19903, 25064, 30620, 31330, 39806, 61240, 62660, 79612, 99515, 125320, 159224, 199030, 368971, 398060, 737942, 796120, 1475884, 1844855, 2951768, 3689710, 4796623, 7379420, 9593246, 14758840, 19186492, 23983115, 38372984, 47966230, 95932460, 191864920]

約数ペア:

[(1, 191864920), (2, 95932460), (4, 47966230), (5, 38372984), (8, 23983115), (10, 19186492), (13, 14758840), (20, 9593246), (26, 7379420), (40, 4796623), (52, 3689710), (65, 2951768), (104, 1844855), (130, 1475884), (241, 796120), (260, 737942), (482, 398060), (520, 368971), (964, 199030), (1205, 159224), (1531, 125320), (1928, 99515), (2410, 79612), (3062, 62660), (3133, 61240), (4820, 39806), (6124, 31330), (6266, 30620), (7655, 25064), (9640, 19903), (12248, 15665), (12532, 15310)]