123463760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{220471}}^1$

素因数の和:220491

約数の個数: 40

約数和(自身を含む): 328062336

約数和(自身を除く): 204598576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 220471, 440942, 881884, 1102355, 1543297, 1763768, 2204710, 3086594, 3527536, 4409420, 6173188, 7716485, 8818840, 12346376, 15432970, 17637680, 24692752, 30865940, 61731880, 123463760]

約数ペア:

[(1, 123463760), (2, 61731880), (4, 30865940), (5, 24692752), (7, 17637680), (8, 15432970), (10, 12346376), (14, 8818840), (16, 7716485), (20, 6173188), (28, 4409420), (35, 3527536), (40, 3086594), (56, 2204710), (70, 1763768), (80, 1543297), (112, 1102355), (140, 881884), (280, 440942), (560, 220471)]