2179679525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1523}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 2993379840

約数和(自身を除く): 813700315

約数列:

[1, 5, 19, 23, 25, 95, 115, 131, 437, 475, 575, 655, 1523, 2185, 2489, 3013, 3275, 7615, 10925, 12445, 15065, 28937, 35029, 38075, 57247, 62225, 75325, 144685, 175145, 199513, 286235, 665551, 723425, 875725, 997565, 1431175, 3327755, 3790747, 4588799, 4987825, 16638775, 18953735, 22943995, 87187181, 94768675, 114719975, 435935905, 2179679525]

約数ペア:

[(1, 2179679525), (5, 435935905), (19, 114719975), (23, 94768675), (25, 87187181), (95, 22943995), (115, 18953735), (131, 16638775), (437, 4987825), (475, 4588799), (575, 3790747), (655, 3327755), (1523, 1431175), (2185, 997565), (2489, 875725), (3013, 723425), (3275, 665551), (7615, 286235), (10925, 199513), (12445, 175145), (15065, 144685), (28937, 75325), (35029, 62225), (38075, 57247)]