207996880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28571}}^1$

素因数の和:28604

約数の個数: 80

約数和(自身を含む): 595211904

約数和(自身を除く): 387215024

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 28571, 57142, 114284, 142855, 199997, 228568, 285710, 371423, 399994, 457136, 571420, 742846, 799988, 999985, 1142840, 1485692, 1599976, 1857115, 1999970, 2285680, 2599961, 2971384, 3199952, 3714230, 3999940, 5199922, 5942768, 7428460, 7999880, 10399844, 12999805, 14856920, 15999760, 20799688, 25999610, 29713840, 41599376, 51999220, 103998440, 207996880]

約数ペア:

[(1, 207996880), (2, 103998440), (4, 51999220), (5, 41599376), (7, 29713840), (8, 25999610), (10, 20799688), (13, 15999760), (14, 14856920), (16, 12999805), (20, 10399844), (26, 7999880), (28, 7428460), (35, 5942768), (40, 5199922), (52, 3999940), (56, 3714230), (65, 3199952), (70, 2971384), (80, 2599961), (91, 2285680), (104, 1999970), (112, 1857115), (130, 1599976), (140, 1485692), (182, 1142840), (208, 999985), (260, 799988), (280, 742846), (364, 571420), (455, 457136), (520, 399994), (560, 371423), (728, 285710), (910, 228568), (1040, 199997), (1456, 142855), (1820, 114284), (3640, 57142), (7280, 28571)]