54721940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 143265024

約数和(自身を除く): 88543084

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 107, 130, 140, 182, 214, 260, 281, 364, 428, 455, 535, 562, 749, 910, 1070, 1124, 1391, 1405, 1498, 1820, 1967, 2140, 2782, 2810, 2996, 3653, 3745, 3934, 5564, 5620, 6955, 7306, 7490, 7868, 9737, 9835, 13910, 14612, 14980, 18265, 19474, 19670, 25571, 27820, 30067, 36530, 38948, 39340, 48685, 51142, 60134, 73060, 97370, 102284, 120268, 127855, 150335, 194740, 210469, 255710, 300670, 390871, 420938, 511420, 601340, 781742, 841876, 1052345, 1563484, 1954355, 2104690, 2736097, 3908710, 4209380, 5472194, 7817420, 10944388, 13680485, 27360970, 54721940]

約数ペア:

[(1, 54721940), (2, 27360970), (4, 13680485), (5, 10944388), (7, 7817420), (10, 5472194), (13, 4209380), (14, 3908710), (20, 2736097), (26, 2104690), (28, 1954355), (35, 1563484), (52, 1052345), (65, 841876), (70, 781742), (91, 601340), (107, 511420), (130, 420938), (140, 390871), (182, 300670), (214, 255710), (260, 210469), (281, 194740), (364, 150335), (428, 127855), (455, 120268), (535, 102284), (562, 97370), (749, 73060), (910, 60134), (1070, 51142), (1124, 48685), (1391, 39340), (1405, 38948), (1498, 36530), (1820, 30067), (1967, 27820), (2140, 25571), (2782, 19670), (2810, 19474), (2996, 18265), (3653, 14980), (3745, 14612), (3934, 13910), (5564, 9835), (5620, 9737), (6955, 7868), (7306, 7490)]