129219100

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{14519}}^1$

素因数の和:14622

約数の個数: 36

約数和(自身を含む): 283575600

約数和(自身を除く): 154356500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 4450, 8900, 14519, 29038, 58076, 72595, 145190, 290380, 362975, 725950, 1292191, 1451900, 2584382, 5168764, 6460955, 12921910, 25843820, 32304775, 64609550, 129219100]

約数ペア:

[(1, 129219100), (2, 64609550), (4, 32304775), (5, 25843820), (10, 12921910), (20, 6460955), (25, 5168764), (50, 2584382), (89, 1451900), (100, 1292191), (178, 725950), (356, 362975), (445, 290380), (890, 145190), (1780, 72595), (2225, 58076), (4450, 29038), (8900, 14519)]