210899780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115879}}^1$

素因数の和:115908

約数の個数: 48

約数和(自身を含む): 545099520

約数和(自身を除く): 334199740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 115879, 231758, 463516, 579395, 811153, 1158790, 1506427, 1622306, 2317580, 3012854, 3244612, 4055765, 6025708, 7532135, 8111530, 10544989, 15064270, 16223060, 21089978, 30128540, 42179956, 52724945, 105449890, 210899780]

約数ペア:

[(1, 210899780), (2, 105449890), (4, 52724945), (5, 42179956), (7, 30128540), (10, 21089978), (13, 16223060), (14, 15064270), (20, 10544989), (26, 8111530), (28, 7532135), (35, 6025708), (52, 4055765), (65, 3244612), (70, 3012854), (91, 2317580), (130, 1622306), (140, 1506427), (182, 1158790), (260, 811153), (364, 579395), (455, 463516), (910, 231758), (1820, 115879)]