8439860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{227}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 21028896

約数和(自身を除く): 12589036

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 227, 260, 286, 338, 454, 572, 676, 715, 845, 908, 1135, 1430, 1690, 1859, 2270, 2497, 2860, 2951, 3380, 3718, 4540, 4994, 5902, 7436, 9295, 9988, 11804, 12485, 14755, 18590, 24970, 29510, 32461, 37180, 38363, 49940, 59020, 64922, 76726, 129844, 153452, 162305, 191815, 324610, 383630, 421993, 649220, 767260, 843986, 1687972, 2109965, 4219930, 8439860]

約数ペア:

[(1, 8439860), (2, 4219930), (4, 2109965), (5, 1687972), (10, 843986), (11, 767260), (13, 649220), (20, 421993), (22, 383630), (26, 324610), (44, 191815), (52, 162305), (55, 153452), (65, 129844), (110, 76726), (130, 64922), (143, 59020), (169, 49940), (220, 38363), (227, 37180), (260, 32461), (286, 29510), (338, 24970), (454, 18590), (572, 14755), (676, 12485), (715, 11804), (845, 9988), (908, 9295), (1135, 7436), (1430, 5902), (1690, 4994), (1859, 4540), (2270, 3718), (2497, 3380), (2860, 2951)]