245221340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2011}}^1$

素因数の和:2107

約数の個数: 96

約数和(自身を含む): 643582464

約数和(自身を除く): 398361124

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 67, 70, 91, 130, 134, 140, 182, 260, 268, 335, 364, 455, 469, 670, 871, 910, 938, 1340, 1742, 1820, 1876, 2011, 2345, 3484, 4022, 4355, 4690, 6097, 8044, 8710, 9380, 10055, 12194, 14077, 17420, 20110, 24388, 26143, 28154, 30485, 40220, 52286, 56308, 60970, 70385, 104572, 121940, 130715, 134737, 140770, 183001, 261430, 269474, 281540, 366002, 522860, 538948, 673685, 732004, 915005, 943159, 1347370, 1751581, 1830010, 1886318, 2694740, 3503162, 3660020, 3772636, 4715795, 7006324, 8757905, 9431590, 12261067, 17515810, 18863180, 24522134, 35031620, 49044268, 61305335, 122610670, 245221340]

約数ペア:

[(1, 245221340), (2, 122610670), (4, 61305335), (5, 49044268), (7, 35031620), (10, 24522134), (13, 18863180), (14, 17515810), (20, 12261067), (26, 9431590), (28, 8757905), (35, 7006324), (52, 4715795), (65, 3772636), (67, 3660020), (70, 3503162), (91, 2694740), (130, 1886318), (134, 1830010), (140, 1751581), (182, 1347370), (260, 943159), (268, 915005), (335, 732004), (364, 673685), (455, 538948), (469, 522860), (670, 366002), (871, 281540), (910, 269474), (938, 261430), (1340, 183001), (1742, 140770), (1820, 134737), (1876, 130715), (2011, 121940), (2345, 104572), (3484, 70385), (4022, 60970), (4355, 56308), (4690, 52286), (6097, 40220), (8044, 30485), (8710, 28154), (9380, 26143), (10055, 24388), (12194, 20110), (14077, 17420)]