28120190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21143}}^1$

素因数の和:21176

約数の個数: 32

約数和(自身を含む): 60894720

約数和(自身を除く): 32774530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 21143, 42286, 105715, 148001, 211430, 296002, 401717, 740005, 803434, 1480010, 2008585, 2812019, 4017170, 5624038, 14060095, 28120190]

約数ペア:

[(1, 28120190), (2, 14060095), (5, 5624038), (7, 4017170), (10, 2812019), (14, 2008585), (19, 1480010), (35, 803434), (38, 740005), (70, 401717), (95, 296002), (133, 211430), (190, 148001), (266, 105715), (665, 42286), (1330, 21143)]