8401900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 20561184

約数和(自身を除く): 12159284

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 230, 260, 281, 299, 325, 460, 562, 575, 598, 650, 1124, 1150, 1196, 1300, 1405, 1495, 2300, 2810, 2990, 3653, 5620, 5980, 6463, 7025, 7306, 7475, 12926, 14050, 14612, 14950, 18265, 25852, 28100, 29900, 32315, 36530, 64630, 73060, 84019, 91325, 129260, 161575, 168038, 182650, 323150, 336076, 365300, 420095, 646300, 840190, 1680380, 2100475, 4200950, 8401900]

約数ペア:

[(1, 8401900), (2, 4200950), (4, 2100475), (5, 1680380), (10, 840190), (13, 646300), (20, 420095), (23, 365300), (25, 336076), (26, 323150), (46, 182650), (50, 168038), (52, 161575), (65, 129260), (92, 91325), (100, 84019), (115, 73060), (130, 64630), (230, 36530), (260, 32315), (281, 29900), (299, 28100), (325, 25852), (460, 18265), (562, 14950), (575, 14612), (598, 14050), (650, 12926), (1124, 7475), (1150, 7306), (1196, 7025), (1300, 6463), (1405, 5980), (1495, 5620), (2300, 3653), (2810, 2990)]