163940140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^4\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 120

約数和(自身を含む): 436639392

約数和(自身を除く): 272699252

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 52, 65, 70, 82, 91, 130, 140, 164, 169, 182, 205, 260, 287, 338, 364, 410, 455, 533, 574, 676, 820, 845, 910, 1066, 1148, 1183, 1435, 1690, 1820, 2132, 2197, 2366, 2665, 2870, 3380, 3731, 4394, 4732, 5330, 5740, 5915, 6929, 7462, 8788, 10660, 10985, 11830, 13858, 14924, 15379, 18655, 21970, 23660, 27716, 28561, 30758, 34645, 37310, 43940, 48503, 57122, 61516, 69290, 74620, 76895, 90077, 97006, 114244, 138580, 142805, 153790, 180154, 194012, 199927, 242515, 285610, 307580, 360308, 399854, 450385, 485030, 571220, 630539, 799708, 900770, 970060, 999635, 1171001, 1261078, 1801540, 1999270, 2342002, 2522156, 3152695, 3998540, 4684004, 5855005, 6305390, 8197007, 11710010, 12610780, 16394014, 23420020, 32788028, 40985035, 81970070, 163940140]

約数ペア:

[(1, 163940140), (2, 81970070), (4, 40985035), (5, 32788028), (7, 23420020), (10, 16394014), (13, 12610780), (14, 11710010), (20, 8197007), (26, 6305390), (28, 5855005), (35, 4684004), (41, 3998540), (52, 3152695), (65, 2522156), (70, 2342002), (82, 1999270), (91, 1801540), (130, 1261078), (140, 1171001), (164, 999635), (169, 970060), (182, 900770), (205, 799708), (260, 630539), (287, 571220), (338, 485030), (364, 450385), (410, 399854), (455, 360308), (533, 307580), (574, 285610), (676, 242515), (820, 199927), (845, 194012), (910, 180154), (1066, 153790), (1148, 142805), (1183, 138580), (1435, 114244), (1690, 97006), (1820, 90077), (2132, 76895), (2197, 74620), (2366, 69290), (2665, 61516), (2870, 57122), (3380, 48503), (3731, 43940), (4394, 37310), (4732, 34645), (5330, 30758), (5740, 28561), (5915, 27716), (6929, 23660), (7462, 21970), (8788, 18655), (10660, 15379), (10985, 14924), (11830, 13858)]