1679860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 4427136

約数和(自身を除く): 2747276

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 71, 91, 130, 140, 142, 169, 182, 260, 284, 338, 355, 364, 455, 497, 676, 710, 845, 910, 923, 994, 1183, 1420, 1690, 1820, 1846, 1988, 2366, 2485, 3380, 3692, 4615, 4732, 4970, 5915, 6461, 9230, 9940, 11830, 11999, 12922, 18460, 23660, 23998, 25844, 32305, 47996, 59995, 64610, 83993, 119990, 129220, 167986, 239980, 335972, 419965, 839930, 1679860]

約数ペア:

[(1, 1679860), (2, 839930), (4, 419965), (5, 335972), (7, 239980), (10, 167986), (13, 129220), (14, 119990), (20, 83993), (26, 64610), (28, 59995), (35, 47996), (52, 32305), (65, 25844), (70, 23998), (71, 23660), (91, 18460), (130, 12922), (140, 11999), (142, 11830), (169, 9940), (182, 9230), (260, 6461), (284, 5915), (338, 4970), (355, 4732), (364, 4615), (455, 3692), (497, 3380), (676, 2485), (710, 2366), (845, 1988), (910, 1846), (923, 1820), (994, 1690), (1183, 1420)]